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Feasibility Deconstruction on the Establishment of Martial Arts Short Soldier Course Assisted by Multimedia Computer Network

Feasibility Deconstruction on the Establishment of Martial Arts Short Soldier Course Assisted by... Hindawi International Transactions on Electrical Energy Systems Volume 2022, Article ID 3650701, 12 pages https://doi.org/10.1155/2022/3650701 Research Article Feasibility Deconstruction on the Establishment of Martial Arts Short Soldier Course Assisted by Multimedia Computer Network Fei Meng Department of Physical Education and Health, Heze University, Heze 274000, Shandong, China Correspondence should be addressed to Fei Meng; mengfei@hezeu.edu.cn Received 1 July 2022; Revised 18 July 2022; Accepted 22 July 2022; Published 25 August 2022 Academic Editor: Raghavan Dhanasekaran Copyright © 2022 Fei Meng. (is is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Martial arts short-armed sport is an important item of martial arts. At present, the martial arts short soldier movement in the society cannot be carried out due to various reasons. As a sports academy, it is our responsibility to shoulder this important task. With the popularization of the Internet and the rapid development of multimedia and network technologies, human society has entered an information age. Traditional classroom teaching has been unable to meet the requirements of the times. Due to its characteristics of remote real-time interaction, network education has become a new generation of educational technology that combines network and multimedia technology. Network course is the most important learning content in network teaching, and its design, development, and implementation have received more and more attention. With the rapid development of computer network technology, the status of computer-aided teaching in teaching improvement has also been continuously improved. Computer-assisted instruction (CAI) is a hot topic in today’s classrooms. In physical education, computer-aided teaching makes up for the shortcomings of illustrations, text descriptions, teacher explanations, demonstrations, etc., in textbooks and overcomes the shortcomings of traditional teaching aids. It simplifies complex actions and concretizes non-decomposable actions. Computer-aided teaching can not only help students understand, master knowledge, and develop intelligence, but also help teachers master information and improve teaching quality. (is study studies the recognition and application effect of CAI in the short-armed martial arts courses in physical education colleges. (e data show that martial arts short-armed sports have outstanding advantages in combat, safety, fitness, and viewing. (e experimental group scored around 90 points. a quality that teachers must possess. To strengthen the 1. Introduction modernization of educational technology and information Martial arts short-armed sport is a short-armed sport with technology, we must make full use of existing resources, use the goal of protecting human safety. Athletes fight with a variety of audiovisual equipment, carry out various forms various primitive short-weapon methods, to inherit and of multimedia-assisted teaching, and take effective measures develop short-weapon combat techniques. (is is an im- to develop high-quality teaching software. (ere are more portant part of traditional Chinese sports. In China’s tra- and more types of media elements that constitute increas- ditional sports, it is a very meaningful activity to carry out ingly complex media elements, that is, audio, images, nu- martial arts short soldiers. In the whole process of education, merical values, text, and video animation. Objects are to be educational concepts, content, methods, means, and pro- processed, transmitted, and stored by digital computers, cesses will be gradually broken. (e educational process will enabling them to be transmitted, stored, information also show a development trend of diversification, sociali- throughput, freely converted, etc., between analog and zation, and subjectivity. With the rapid development of digital quantities. China’s economy and science and technology, computers Short-armed sports is an important part of Chinese have entered various fields of education for a long time and martial arts and one of the competitive forms of martial arts. have made great progress. In today’s changing age structure It is of great research significance to set up a short-armed of teachers, scientific and rational use of this new medium is martial arts course. Zou analyzed the force characteristics of 2 International Transactions on Electrical Energy Systems diligence and enthusiasm [4]. Pengkun Y discussed the martial arts routine athletes’ backhand punches by com- paring their punching performance. He collected the images situational teaching of English assisted by multimedia network. First, he established the basic principles of mul- after punching, analyzed the time for the three groups of subjects to complete the action and the time of contacting timedia-assisted teaching in English situational teaching. By the project, and evaluated the effect after punching. He designing game activities using multimedia presentations, he explored the surface experimental characteristics and joint presents backgrounds and lesson plans designed to enhance performance of regular athletes and Sanda athletes in student learning. Second, he established a multimedia backhand punching. He has strong pertinence to the con- network-based English situational teaching framework. ventional strength training of backhand boxers and Sanda (rough the learning efficiency formula, it can be found that with the assistance of multimedia network, students’ athletes, which provides the theoretical basis and technical guidance for the scientific training of martial arts [1]. Huang learning efficiency has been greatly improved. By con- structing English teaching, students can be encouraged to A analyzed the martial arts self-selected routines of high- level competitive martial arts athletes. He revealed the re- participate, so as to improve students’ learning enthusiasm and initiative, and enhance the atmosphere of English lationship between martial arts routine arrangement and physical fitness distribution. (rough the methods of lit- communication. In addition, it can also change the learning erature, expert interviews, video observation, mathematical efficiency of students and the teaching effect of teachers, but statistics, and logical analysis, he conducted a video analysis it has not been widely used [5]. Goode employed a col- of the martial arts optional items in the martial arts routine laborative project model to deliver concurrent multimedia finals of the National Games in recent years. In addition, he courses at the undergraduate and graduate levels. Applying conducted interviews with martial arts experts, scholars, and this model, online master’s students studying technical communication event management remotely manage teams relevant teachers of sports research methods. He discussed the routine arrangement in the research process. By sum- of on-campus undergraduate students studying multimedia production skills. He piloted this collaborative project model marizing the research results, he came to the final conclu- sion. Reasonable arrangements can reduce physical energy in a recent semester. (e response of both graduates and undergraduates to this format has been very positive, and the consumption, and the improvement of physical fitness is conducive to improving the development space of routines quality of the projects done is very good and well received by and increasing the probability of athletes winning [2]. their respective clients [6]. Multimedia authored and curated Practice showed that network multimedia teaching is an assignments have the potential to engage students in deeper effective way to avoid problems such as limited course time learning. Riordan explored whether doing the same and irregular movements in traditional martial arts teaching. homework in paper and multimedia formats would lead to a Gong analyzed the mode of Wushu teaching and cultural different student experience. Introductory psychology stu- dents submit traditional essays or multimedia projects to dissemination in the context of network multimedia. On the one hand, the application of multimedia technology can address the same homework prompts, a process repeated seven times across four courses, either at the discretion of the extend and enhance the effect of Wushu classroom teaching and improve students’ subjective initiative in practicing instructor or at the student’s choice. Students were surveyed Wushu. At the same time, the convenience of network about the form of assignments, and their performance was multimedia is also conducive to the spread of martial arts analyzed. Overall, students found multimedia assignments culture. Students can upload martial arts action data to the to be more engaging, enjoyable, fun, and harder than paper resource library, share it with others, and interact with assignments. When assignments were determined by the teachers. It can be seen that the development of modern teacher, students reported higher perceived learning rates science and technology has brought new development to for multimedia assignments. (ere was no significant dif- Wushu education [3]. ference in the grades of assignments in different assignment formats. (ese results suggest that converting traditional In traditional learning, due to the limited time and practical materials for network computer teaching, teachers paper assignments to multimedia form is a cost-free way to improve student experience [7]. (ese studies provide a often face difficulties in delivering materials. Simarmata believed that the traditional teaching process, especially the detailed analysis of martial arts teaching and multimedia practical materials, is not yet optimal. (erefore, computer- computer-aided teaching methods. It is undeniable that based and multimedia-based learning is needed to assist these studies have greatly promoted the development of the students. In addition, the computer-aided teaching method corresponding fields. We can learn a lot from methodology can reduce the cost of purchasing practical materials, and and data analysis. However, there are relatively few research students can absorb the knowledge well without having to studies on the teaching of Wushu Short Soldiers and it is not thorough enough, and it is necessary to fully apply these consider the cost of purchasing practical materials. Com- puter-aided teaching methods can display learning content techniques to the research in this field. (is study studies the necessity and feasibility of the through various media such as pictures or videos, which can help the effective learning process and simplify the learning multimedia computer network-assisted training of short- troop martial arts courses in sports colleges. It was found speed of students, because it is combined with multimedia. By doing so, students can practice course material and study that more than 90% of the students were very interested in anytime, anywhere. Computer learning apps prioritize user learning about martial arts, and 80% of the students liked interface, user-friendly, which can make students learn with martial arts. It shows that the vast majority of students have a International Transactions on Electrical Energy Systems 3 strong interest in martial arts short soldiers. Compared with Point, chop, stab, Offensive the traditional teaching methods, the short-handed martial collapse, li, Techniques arts courses are assisted by multimedia computer network. pick, sweep (e experimental group got a score of about 90 points, and the control group got a stable score of about 80 points, but it Technical was also found that 18% of them could not meet the daily movements of physical education teaching. (e average index value of short arms students’ positive response to the course in the experimental group increased after the experiment, and the average index Dodge, yield, frame, Defensive value of “great gain” increased by 0.56. support, grid, press, Techniques hang, cut and hit 2. Method of Multimedia Computer Network- Figure 1: Introduction to the technical movements of short Assisted Short-War Martial Arts Course soldiers. Martial arts short-armed sport is a sports activity, which is of improve their self-defense awareness and ability [13]. At the great significance for enriching its connotation, promoting its development, expanding its consumer groups, and same time, in the long-term study and training, the physical promoting Chinese martial arts as a national treasure [8]. pain and psychological timidity can be overcome. It can Martial arts short-armed sports have the characteristics of cultivate the will quality of perseverance, perseverance, never simple equipment, safe items, diverse techniques, and in- give up, and tenacious struggle [14]. telligence in confrontation. (e characteristics and functions CAI refers to a series of teaching activities using com- of sprinting determine its application value in society. Re- puters for teaching, through discussions with students, arranging the teaching process, and carrying out teaching lying on the advantages of the school to develop the short- handed movement can make better use of the school’s training. Computer-assisted instruction creates a personal- ized learning environment for students [15–17]. CAI is based advantages and make better use of the short-handed project, so that it can quickly radiate and spread to the society [9]. on the computer as the main teaching medium, that is, Starting from the characteristics of martial arts short teaching through computer-assisted teachers. Computers can soldiers themselves, it can be seen that martial arts short not only provide simple text, numbers, and other text soldiers are a valuable competitive sport. First of all, due to teaching information but also output animation, video, the intensity and safety of its confrontational exercise, image, sound, and so on. It can well realize the integration of practitioners can not only enhance their physical fitness but graphics, text, and sound of teaching information and im- also cultivate their sentiments and increase the fun of rec- prove the credibility of educational information [18]. (e reational activities [10]. Secondly, because it has the nature comprehensive application of multimedia technology, hy- pertext technology, artificial intelligence technology, network of martial arts and mainly combines equipment with martial arts, practitioners can not only improve the coordination of communication technology, and knowledge base technology solves the single and one-sided problem of traditional the body but also learn the self-protection ability of weapons. In addition, through this activity, they can not only hone teaching situation. (e application of this system can shorten their will, cultivate their sense of competition, but also the teaching time, improve the teaching quality, improve the achieve the effect of making friends by force [11]. teaching effect, and achieve the teaching purpose [19]. (e short-handed technical system can be divided into Under the two-dimensional coordinate system, it is main technical actions and auxiliary technical actions. Its characterized by teacher-oriented and student-centered technical movements can be divided into offensive tech- “individualization-collectivization.” Taking “people-ori- niques and defensive techniques; auxiliary technical ented” as the scale, the differences in different educational movements include preparation, short step, holding troops, cultures were analyzed, and the classification system of the CAI teaching mode shown in Figure 2 was obtained [20]. and posture [12]. (e main technical actions are offensive and defensive technical actions (Figure 1). With the high development of multimedia technology, multimedia technology visualization is applied to CAI. A From the above various technical movements, we can see that the short-handed movement is a movement full of multimedia computer is a technology that can capture, confrontational movements. In the process of confrontation, process, edit, store, and display two or more different types it is necessary to constantly use movements such as ad- of information media at the same time. (ese information vancing, retreating, straddling, and jumping. During the media include text, graphics, images, sounds, animations, entire exercise process, various joints of the human body are images, and like. (e distinctive feature of multimedia re- exercised, and one must concentrate and concentrate. After sources is that the internal information has a strong degree a short training, it can improve the flexibility, explosiveness, of connection and the internal organization of the file is flexibility, endurance, and strength of the body. Under the complex. (e traditional calculation result is data flow. (is data flow is not easy to understand, nor easy to check for highly concentrated practice, it can improve the sensitivity of the human motor system and nervous system and achieve right or wrong [21–23]. Visualization technology generates two-dimensional graphics on the screen through the geo- the effect of strengthening the body. (rough short soldier training, students can learn offensive and defensive skills and metric elements in the data structure and grasps the 4 International Transactions on Electrical Energy Systems Individualization (I) (II) Intelligent guidance Miniature World Individual Problem guidance Solving Get to know Case Study the tools Drill exercises Simulation Teaching Resource-based Teaching Tests Games learning Teacher-centered Student-centered Episodic learning (III) Information resources, Inquiry-based network learning communication Computer Supported Learning Computer- Virtual supported Classroom collaborative learning (IV) Collectivization Figure 2: Classification of computer-assisted instruction systems. operation of the data by means of the operation of the teaching is not conducive to students’ absorption of in- graphics, so that the process is visualized and intuitive. (e formation. Multimedia classroom helps to stimulate stu- multimedia computer-aided teaching model is a bilateral dents’ interest and motivation in learning, and the teaching relationship between teachers and students, including three effect is good, but it is also necessary to play the role of multimedia in a timely and appropriate manner. factors: teachers, models, and students [24–26]. Its teaching framework is shown in Figure 3. Using multimedia technology, it can turn static into Information dissemination is a complex process. Source, dynamic, change from fast to slow, integrate abstraction into information, channel, and disseminator are the four basic image, and enhance the teaching effect. Data communica- elements in information dissemination, among which the tion and digital communication technology are the core channel includes various human sense organs. (is reveals contents of basic computer network research. Its essence is the important role of various human senses in information the information stored in the computer. It adopts the form of reception. (e perception and acceptance of information are data coding and converts binary data into electromagnetic mainly completed by five sense organs, namely, vision, signals or optical signals through the principle of digital hearing, touch, smell, and taste. Among them, vision and circuits and transmits them in a controlled manner in hearing account for 94% of the total received information. channels composed of various transmission media by physical means such as electromagnetic waves, broadcasting, From the perspective of the memory effect of receiving in- formation, psychological research shows that it is shown in microwaves, infrared rays, and satellites. (e speed of Table 1. transmission, the variety of forms, the complexity of physical Multimedia computer combines various human sense changes, and the difficulty of control are difficult to re- media, so they can be considered as an extension of human produce physically through experimental equipment. Using senses. (e multimedia computer integrates and processes computer multimedia technology, through sound, light, and information in a multidimensional way, so that the infor- animation technology, it vividly reproduces the abstract mation obtained by different human senses can complement content, complex change process, subtle structure, and each other and form a relatively complete information space, complicated control that are difficult to express in teaching and difficult for students to understand through animation which can enhance students’ ability to feel and understand things. (e large amount of information in multimedia simulation, partial enlargement, process demonstration, and Summary Assignment International Transactions on Electrical Energy Systems 5 Teacher Definitely Demonstration Develop a plan Setup issues corrected Q&A Establishing Teaching Inspired Evaluation Mode goals content Learning Feedback Personal Self-study Student selection Self-adjustment before class exercises of goals Students Figure 3: Teaching framework of multimedia computer-assisted teaching method. Table 1: Memory effects of different senses on received information. where n is the number of bits per sample value. PSNR is essentially the same as MSE, which is the logarithmic rep- Time delay 2 hours later After 7 hours resentation of MSE. For a video, the average value of PSNR Auditory 0.70 0.10 or MSE is usually used to represent the video quality. In Visual 0.72 0.20 general, for the same video content, when using the same Audiovisual 0.85 0.65 encoding method, the higher the bit rate usually means the better the video quality. (erefore, sometimes the average bit other means. It thus has a multiplier effect. (e data rate can also be used to represent the difference in video transmission process in the WAN is shown in Figure 4. quality. (e adaptive network multimedia service presents di- From the user’s point of view, not only do they expect versified development, and how to design appropriate in- higher video quality, i.e., clarity, but also expect smoother dicators to evaluate the service quality becomes particularly video playback. In other words, interruptions and stutters important. From the user’s point of view, good service during playback can be minimized. (e fluency of the video quality means a higher degree of recognition of the service. will seriously affect the user’s willingness to watch, which is Due to the adaptive media service method, the bit rate/ directly related to the satisfaction of the video service. quality is time-varying, and the received video is distorted (erefore, the multimedia service system must ensure that relative to the original video. For videos with the same the video quality is improved under the premise of smooth content and encoding method, even if they are transmitted video. Frame rate is directly related to video fluency. If the in the same network environment, different transmission frame rate of video compression is 25 frames per second, the adaptive algorithms usually get different video quality. (e actual frame rate of playback is only 20 frames per second. most intuitive way to evaluate the quality of video service is Obviously, there is a lag in playback. (erefore, in practical the quality of the video at the receiving end, that is, com- applications, the average frame rate can be used to charac- paring each pixel of the original reference video frame and terize the fluency: the distorted video frame, so as to obtain the similarity or A(T) fidelity between the two. (e simplest measures to measure f � . (3) fidelity are mean square error (MSE) and peak signal-to- ′ noise ratio (PSNR). Among them, A(T) represents the total number of frames when a video with a length of L minutes is played, 2.1. Mean Square Error (MSE) and T is the actual playback time. Usually, when the video bit rate is higher than the available bandwidth of the net- 􏽐 􏽐 􏼐f − f 􏼑 0≤i≤M 0≤j≤N ij ij (1) work, the cache starts to be consumed. Playback is inter- MSE � . M × N rupted once the number of buffered video frames is less than the minimum decodable value. (erefore, by recording the Among them, M and N represent the height and width of changes in the playback buffer, the interruption frequency or the video frame, respectively, and f and f represent the ij ij average interruption time during the playback process can original reference video frame and the distorted video frame, also be counted to represent the smoothness of playback, respectively. that is, the interruption frequency: S(T) 2.2. Peak Signal-to-Noise Ratio (PSNR) (4) f � . n 2 2 − 1 􏼁 (2) PSNR � 10lg , Among them, S(T) represents the total number of in- MSE terruptions. (e average interruption time is as follows: Teaching Bilateral Relationships 6 International Transactions on Electrical Energy Systems Switching equipment Data Packages 1 3 7 4 Nodes Figure 4: Schematic diagram of data transmission. 2.2.1. Disk I/O. Assuming that the amount of data trans- 􏽐 t(n) n�0 (5) t � . mitted by the disk per second is W , the seek time of the max head in the D time is t, and the time used for data trans- Among them, t(n) represents the duration of the nth mission in the D time is D-nt, so the n priority nodes can be interruption. scheduled as follows: (e variance is used to characterize the intensity of fluctuations. Similarly, for the smoothness of the video, it 􏽘 x u ≤ (D − nt)W . (10) i i max can be characterized by the variance of quality/bit rate i�1 variation, namely, (e number of data units processed in time D is as 􏽐 r − r 􏼁 follows: t−1 t A (6) σ � . x � 􏼂k D􏼃. (11) i i Among them, the video duration is T, r is the bit rate at It can also be expressed as follows: time t, and r is the average bit rate. For layered video, it can also be characterized by the 􏽘 x u + tW 􏼁≤ DW ≡ I. (12) magnitude and frequency of video quality/bit rate changes. i i max max i�1 Among them, the amplitude can be expressed by the fol- lowing formula: 􏼌 􏼌 􏼌 􏼌 􏼌 􏼌 􏽐 􏼌r − r 􏼌 t−1 t A 2.2.2. CPU Scheduling. All threads are scheduled periodi- (7) U � . cally. Due to the use of double buffer technology, thread access to media data is nonblocking. (e conditions for the (e frequencies are as follows: CPU to schedule n threads are as follows: 􏽐 F t−1 t 1/n (8) i f � . 􏽘 ≤ 􏼐2 − 1􏼑 ≡ C. (13) i�1 F is the indicative function: 1, If a layer switch occurs at time t, F � 􏼨 (9) 2.2.3. Multimedia Output Device Scheduling. Multimedia 0, Otherwise. output devices have a maximum output rate limit. When n Obviously, the larger the amplitude and the higher the multimedia streams are output, stream merging may be performed, that is, output at 􏽐 r rate. Assuming that V frequency, the more obvious the video flicker and the worse i�1 i max the smoothness. supports the maximum allowable rate for the multimedia International Transactions on Electrical Energy Systems 7 output device, the conditions under which n priority sec- tions can be scheduled are as follows: SSD VPN Devices 􏽘 r ≤ V . (14) i max i�1 Mobile user access 2.2.4. Network Management. Distributed networks have a maximum bandwidth limit. Assuming that B is the max maximum allowable bandwidth of the network, the con- ditions for scheduling n priority nodes are as follows: 􏽘 r ≤ B . (15) i max i�1 Internet Behavior Combining the output device bandwidth calculation Management Gateway with the network bandwidth calculation, we get the following: 􏽘 r ≤ min V , B . 􏼁 (16) i max max i�1 2.2.5. Buffer Management. Buffer management is respon- NAC sible for buffer allocation and deallocation for priority Gateway sections. Assuming that each priority section has thread p and network processing q , then n priority sections have n n 􏽐 p threads and 􏽐 h network processing; then, the i i i�1 i�1 conditions for n priority sections to be scheduled are as follows: Organizational Internal Network n p +h +1 i i ⎛ ⎝ ⎞ ⎠ 2 􏽘 􏽘 x u ≤ M , (17) Figure 5: Hardware in practice. i i max i�1 j�1 principle is to attach the sensor node to a shape. It is defined where M is the maximum available memory space of a max that the sensor uses a specific pointing device such as a computer system. mouse to sense the user’s actions, but when different actions As shown in Figure 5, the so-called virtual reality means such as double click or single click are sensed, different that the user can watch the virtual world through the events are triggered and output. (is event is transmitted to computer screen and through the multimedia technology. the relevant nodes through the routing mechanism, causing On this basis, using a variety of different input devices to modeling changes or animation playback, thereby con- fully interact with virtual reality is an important method to structing the interaction mechanism between the virtual realize multimedia teaching courseware. VRML (virtual reality world and the operator. reality modeling language) is a virtual modeling language. It is a platform-independent descriptive language that sup- 3. Investigation and Experiment of Multimedia ports three-dimensional interactive functions. It is widely used in the development of online games, and it has good Computer Network-Assisted Short-War editability, reusability, extensibility, and scalability. It is one Martial Arts Course of the main realization tools of virtual reality technology. Interaction is a necessary function of making multimedia Because the B/S (browser/server) structure has good inde- network teaching courseware. VRML is realized through pendence, scalability, and security, it is suitable for the in- internal sensor triggers and events, routing system, and terconnection of various databases and also facilitates the message capture mechanism. (rough these mechanisms, management and maintenance of the system. (erefore, the nodes in the scene graph can communicate with each other whole system is designed with B/S structure of client, Web in the form of messages. Nodes can capture these messages server, and database server. (e basic structure is shown in for event triggering, which can cause scene changes. (is Figure 6. also solves the simulation problem of data exchange between (e IIS (Internet Information Services) architecture network nodes in network data transmission. As for the Web server is used to connect the client and the database interaction with the courseware user, the realization server. When the client requests to access the database, the 8 International Transactions on Electrical Energy Systems Table 2: Questionnaire recovery status. Data Access Business Processing Request Requests Survey Number of Questionnaire Questionnaire subjects copies sent return rate (%) efficiency (%) Business Data Access Professor 3 100 100 Database Processing Results Results Associate Client Web server 10 100 100 browser professor Lecturer 22 100 100 Figure 6: B/S architecture. Students 500 99 97.4 Web server is responsible for the communication between surely receive the active participation of students and the database server and the client terminal and embeds the produce good teaching effects. Figure 7 shows the statistical relevant data into the client’s Web page. When the client results of the attitudes of students learning martial arts short requests not to access the database, the Web server will soldiers. directly process these requests and deliver the resulting Web From Figure 7, it can be found that more than 90% of the page to the client browser. students are very interested in learning about martial arts, In the physical education teaching in colleges and and 80% of the students like martial arts. It can be seen that universities, the teaching forms based on ball games, aer- the vast majority of students have a strong interest in martial obics, gymnastics, martial arts routines, and other items still arts short combat, which shows the urgency of students to exist. Programs such as Wushu Short Soldier are not only understand the urgency of learning martial arts short popular among students but also beneficial to the physical combat. 77.8% of the students held the attitude that they and mental development of college students. (ey are often liked it very much and indicated that, if they had, they would unable to be opened due to many factors. (is study mainly definitely take this course. No requirement accounted for discusses and analyzes factors such as the actual needs of 15.6%. (is is because the students only know about the students’ learning, venues, equipment, and teachers and martial arts short soldier through magazines, newspapers, studies the feasibility of setting up martial arts short soldiers and the Internet, and some do not even know it, so they do in college sports. To study the necessity and feasibility of not know enough about the functions of the martial arts offering martial arts short-troop courses assisted by multi- short soldier. Students’ interest in learning has laid a good media computer network for martial arts majors in physical foundation for the teaching and training of martial arts short education colleges, a questionnaire was made on the in- soldiers. Figure 8 shows the evaluation of the technical tention and participation of martial arts courses in a physical characteristics of the two groups by the Wushu coaches. education college. 535 questionnaires were distributed and It can be seen from Figure 8 that martial arts short- 530 were recovered, of which 512 were valid questionnaires. handed sports have outstanding advantages in combat, (e details are shown in Table 2. safety, fitness, and viewing. (e score of the experimental Among the students who specialize in martial arts, a class group was around 90, and the evaluation of the control was selected as the experimental group (50 people), and group was stable at around 80. Martial arts short soldier is a multimedia computer network-assisted short-handed mar- fighting sport of two people. It uses equipment to extend the tial arts teaching was carried out in the teaching. (e other distance of attack and uses body movement and arm class is the control group (50 students), which uses tradi- movement to attack and defend opponents. As far as tional teaching methods to teach martial arts and boxing equipment is concerned, it is a special weapon, usually routines. (ere was no short-term teaching, and the teaching wrapped in a layer of sponge leather on rattan or bamboo. time was 18 hours. After the teaching, the differences be- (is weapon is both soft and elastic, so practitioners do not tween the two groups of students were compared with the have to worry about being injured by the equipment. test scores. For physical education, campus hardware facilities and (is test is approved by the school and the parents of the activity area are very important aspects. Figure 9 shows the students, and the students participate voluntarily. Before results of the survey on whether the physical education participating, the students have been informed of the test facilities can meet the daily physical education teaching purpose, time limit, and precautions during the test. (e satisfaction. physical test of the 100 students before the experiment is It can be seen from Figure 9 that the proportion of shown in Table 3. students who cannot meet the daily physical education teaching is 18%. It is understood that reasonable use of the school’s airspace to carry out physical education teaching 4. Feasibility Data of Opening Martial Arts can basically meet the daily physical education needs when Short-Armed Courses the school space is insufficient. Selecting the general pro- In the sports activities of colleges and universities, due to the portion is 38%, indicating that the current venue has just met particularity of the major, there are certain skills or project the demand. If martial arts short soldiers enter the campus, it tendencies, and the establishment of novel courses is often is necessary to build multiple martial arts short soldiers. Solving the problem of venues is one of the important di- what students yearn for. (e courses offered according to the interests generated and developed on the basis of needs will rections for the development of martial arts short soldiers. International Transactions on Electrical Energy Systems 9 Table 3: Physical test of the Šrst 100 students in the experiment. Experimental group Control group Item Average value Standard deviation Average value Standard deviation Height 162 11.3 162 11.2 Body weight 50.2 18.6 51 18.5 Upper shoulder sebum thickness 9.80 2.4 9.85 2.3 50 m+ 9.10 3.1 9.11 3.1 Lung capacity 2685 488 2623 487.5 100 200 50 100 0 0 Student attitude Number of persons Student attitude Helpful No help Uncertain Figure 7: Statistical results of the attitudes of students learning martial arts short soldiers. Action pleasure refers to the positive emotions of joy and It can be seen from Figure 10 that the students in the pleasure experienced during movement and activity. e experimental group think that the average index values of generation of the pleasure of action is related to each per- “the course is interesting,” “enjoyed the physical education son’s interest, the expectation of the activity goal, and the class,” “involved in the practice,” “the course time passes increase in positive response. Students have a lot of learning quickly,” and “great gain” have increased after the experi- tasks every day, and their psychology is in the developmental ment. Among them, the average indicator value of “great stage, which is prone to rebellious psychology. Physical harvest” rose by 0.56. e increase was larger than that of the education class can not only exercise the body but also bring control group, while the average indicator value for “the a happy mood. is study mainly starts from two aspects: class was boring” decreased. e data show that Wushu Short Soldiers can improve students’ perception of physical whether the movement pleasure is obtained after practicing martial arts short soldiers and the in�uence of the movement education. It increases the love for physical education and pleasure on the students’ mental health and mental state. On improves the teaching e�ect of physical education. Martial the one hand, it is to prove the e�ect of martial arts short arts short soldiers can bring more pleasure to students. It soldiers to carry out exercise. On the other hand, it explores shows that it is feasible to set up martial arts short soldier the mental and mental health of middle school students courses assisted by multimedia computer network. ere is a according to the pleasure of movement. Figure 10 shows the lot of information in multimedia teaching, and students have results of the analysis of the pleasure of the two groups of di�erent self-learning abilities, so they need to cooperate students before and after the experiment. with traditional teaching methods. Angle Want to learn Like Very much No requirement Angle Physical Fitness Social skills Psychological quality Fighting Skills Exercise Habits Entertainment 10 International Transactions on Electrical Energy Systems 100 100 95 95 90 90 90 90 85 85 80 80 75 75 70 70 Technical Features Technical Features Experimental group Control group Figure 8: Martial arts coach’s evaluation of the technical characteristics of the two groups. 20 5 12 3 8 2 7 7 SATISFACTION LEVEL SATISFACTION LEVEL Number of students Number of students Figure 9: Whether the physical education facilities can meet the daily physical education teaching satisfaction survey. Rating NUMBEROF STUDENTS Very satisfying Skillfulness Comparative satisfaction Security General Fitness Not quite satisfied Ornamental Completely unsatisfactory Rating NUMBEROF STUDENTS Very satisfying Skillfulness Comparative satisfaction Security General Fitness Not quite satisfied Completely unsatisfactory Ornamental International Transactions on Electrical Energy Systems 11 Experimental group conducive to students’ receiving information. (e estab- lishment of martial arts short soldiers is a unique educational 3.51 3.52 3.41 3.5 3.21 form of martial arts courses, and it is also the need to enrich 3.01 3.61 2.96 2.89 3.01 2.84 the content of physical education. It also meets the practical 2.5 needs of students for martial arts skills. Traditional martial arts culture plays an important role in humanistic education. 1.5 In the study of traditional martial arts, we should break 1.01 0.99 through the limitation of simply viewing it as a sports 0.5 competition in the past. It is necessary to establish cultural concepts, summarize their thoughts, tap their cultural and educational values, and develop a multilevel martial arts cultural and educational market [27]. Data Availability (e data of this study can be obtained through the email to Indicators the authors. Control group 3.49 Conflicts of Interest 3.21 3.2 3.5 3.21 3.11 2.95 2.88 2.88 2.83 (e authors declare that there are no conflicts of interest 2.89 2.5 regarding the publication of this work. 1.5 0.99 Authors’ Contributions 0.5 Fei Meng was born in Heze City of Shandong Province in China and works in Department of Physical Education and Health, Heze University, with research interests including martial arts and health. Email is mengfei@hezeu.edu.cn. References [1] X. Zou and H. 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Feasibility Deconstruction on the Establishment of Martial Arts Short Soldier Course Assisted by Multimedia Computer Network

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Copyright © 2022 Fei Meng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Hindawi International Transactions on Electrical Energy Systems Volume 2022, Article ID 3650701, 12 pages https://doi.org/10.1155/2022/3650701 Research Article Feasibility Deconstruction on the Establishment of Martial Arts Short Soldier Course Assisted by Multimedia Computer Network Fei Meng Department of Physical Education and Health, Heze University, Heze 274000, Shandong, China Correspondence should be addressed to Fei Meng; mengfei@hezeu.edu.cn Received 1 July 2022; Revised 18 July 2022; Accepted 22 July 2022; Published 25 August 2022 Academic Editor: Raghavan Dhanasekaran Copyright © 2022 Fei Meng. (is is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Martial arts short-armed sport is an important item of martial arts. At present, the martial arts short soldier movement in the society cannot be carried out due to various reasons. As a sports academy, it is our responsibility to shoulder this important task. With the popularization of the Internet and the rapid development of multimedia and network technologies, human society has entered an information age. Traditional classroom teaching has been unable to meet the requirements of the times. Due to its characteristics of remote real-time interaction, network education has become a new generation of educational technology that combines network and multimedia technology. Network course is the most important learning content in network teaching, and its design, development, and implementation have received more and more attention. With the rapid development of computer network technology, the status of computer-aided teaching in teaching improvement has also been continuously improved. Computer-assisted instruction (CAI) is a hot topic in today’s classrooms. In physical education, computer-aided teaching makes up for the shortcomings of illustrations, text descriptions, teacher explanations, demonstrations, etc., in textbooks and overcomes the shortcomings of traditional teaching aids. It simplifies complex actions and concretizes non-decomposable actions. Computer-aided teaching can not only help students understand, master knowledge, and develop intelligence, but also help teachers master information and improve teaching quality. (is study studies the recognition and application effect of CAI in the short-armed martial arts courses in physical education colleges. (e data show that martial arts short-armed sports have outstanding advantages in combat, safety, fitness, and viewing. (e experimental group scored around 90 points. a quality that teachers must possess. To strengthen the 1. Introduction modernization of educational technology and information Martial arts short-armed sport is a short-armed sport with technology, we must make full use of existing resources, use the goal of protecting human safety. Athletes fight with a variety of audiovisual equipment, carry out various forms various primitive short-weapon methods, to inherit and of multimedia-assisted teaching, and take effective measures develop short-weapon combat techniques. (is is an im- to develop high-quality teaching software. (ere are more portant part of traditional Chinese sports. In China’s tra- and more types of media elements that constitute increas- ditional sports, it is a very meaningful activity to carry out ingly complex media elements, that is, audio, images, nu- martial arts short soldiers. In the whole process of education, merical values, text, and video animation. Objects are to be educational concepts, content, methods, means, and pro- processed, transmitted, and stored by digital computers, cesses will be gradually broken. (e educational process will enabling them to be transmitted, stored, information also show a development trend of diversification, sociali- throughput, freely converted, etc., between analog and zation, and subjectivity. With the rapid development of digital quantities. China’s economy and science and technology, computers Short-armed sports is an important part of Chinese have entered various fields of education for a long time and martial arts and one of the competitive forms of martial arts. have made great progress. In today’s changing age structure It is of great research significance to set up a short-armed of teachers, scientific and rational use of this new medium is martial arts course. Zou analyzed the force characteristics of 2 International Transactions on Electrical Energy Systems diligence and enthusiasm [4]. Pengkun Y discussed the martial arts routine athletes’ backhand punches by com- paring their punching performance. He collected the images situational teaching of English assisted by multimedia network. First, he established the basic principles of mul- after punching, analyzed the time for the three groups of subjects to complete the action and the time of contacting timedia-assisted teaching in English situational teaching. By the project, and evaluated the effect after punching. He designing game activities using multimedia presentations, he explored the surface experimental characteristics and joint presents backgrounds and lesson plans designed to enhance performance of regular athletes and Sanda athletes in student learning. Second, he established a multimedia backhand punching. He has strong pertinence to the con- network-based English situational teaching framework. ventional strength training of backhand boxers and Sanda (rough the learning efficiency formula, it can be found that with the assistance of multimedia network, students’ athletes, which provides the theoretical basis and technical guidance for the scientific training of martial arts [1]. Huang learning efficiency has been greatly improved. By con- structing English teaching, students can be encouraged to A analyzed the martial arts self-selected routines of high- level competitive martial arts athletes. He revealed the re- participate, so as to improve students’ learning enthusiasm and initiative, and enhance the atmosphere of English lationship between martial arts routine arrangement and physical fitness distribution. (rough the methods of lit- communication. In addition, it can also change the learning erature, expert interviews, video observation, mathematical efficiency of students and the teaching effect of teachers, but statistics, and logical analysis, he conducted a video analysis it has not been widely used [5]. Goode employed a col- of the martial arts optional items in the martial arts routine laborative project model to deliver concurrent multimedia finals of the National Games in recent years. In addition, he courses at the undergraduate and graduate levels. Applying conducted interviews with martial arts experts, scholars, and this model, online master’s students studying technical communication event management remotely manage teams relevant teachers of sports research methods. He discussed the routine arrangement in the research process. By sum- of on-campus undergraduate students studying multimedia production skills. He piloted this collaborative project model marizing the research results, he came to the final conclu- sion. Reasonable arrangements can reduce physical energy in a recent semester. (e response of both graduates and undergraduates to this format has been very positive, and the consumption, and the improvement of physical fitness is conducive to improving the development space of routines quality of the projects done is very good and well received by and increasing the probability of athletes winning [2]. their respective clients [6]. Multimedia authored and curated Practice showed that network multimedia teaching is an assignments have the potential to engage students in deeper effective way to avoid problems such as limited course time learning. Riordan explored whether doing the same and irregular movements in traditional martial arts teaching. homework in paper and multimedia formats would lead to a Gong analyzed the mode of Wushu teaching and cultural different student experience. Introductory psychology stu- dents submit traditional essays or multimedia projects to dissemination in the context of network multimedia. On the one hand, the application of multimedia technology can address the same homework prompts, a process repeated seven times across four courses, either at the discretion of the extend and enhance the effect of Wushu classroom teaching and improve students’ subjective initiative in practicing instructor or at the student’s choice. Students were surveyed Wushu. At the same time, the convenience of network about the form of assignments, and their performance was multimedia is also conducive to the spread of martial arts analyzed. Overall, students found multimedia assignments culture. Students can upload martial arts action data to the to be more engaging, enjoyable, fun, and harder than paper resource library, share it with others, and interact with assignments. When assignments were determined by the teachers. It can be seen that the development of modern teacher, students reported higher perceived learning rates science and technology has brought new development to for multimedia assignments. (ere was no significant dif- Wushu education [3]. ference in the grades of assignments in different assignment formats. (ese results suggest that converting traditional In traditional learning, due to the limited time and practical materials for network computer teaching, teachers paper assignments to multimedia form is a cost-free way to improve student experience [7]. (ese studies provide a often face difficulties in delivering materials. Simarmata believed that the traditional teaching process, especially the detailed analysis of martial arts teaching and multimedia practical materials, is not yet optimal. (erefore, computer- computer-aided teaching methods. It is undeniable that based and multimedia-based learning is needed to assist these studies have greatly promoted the development of the students. In addition, the computer-aided teaching method corresponding fields. We can learn a lot from methodology can reduce the cost of purchasing practical materials, and and data analysis. However, there are relatively few research students can absorb the knowledge well without having to studies on the teaching of Wushu Short Soldiers and it is not thorough enough, and it is necessary to fully apply these consider the cost of purchasing practical materials. Com- puter-aided teaching methods can display learning content techniques to the research in this field. (is study studies the necessity and feasibility of the through various media such as pictures or videos, which can help the effective learning process and simplify the learning multimedia computer network-assisted training of short- troop martial arts courses in sports colleges. It was found speed of students, because it is combined with multimedia. By doing so, students can practice course material and study that more than 90% of the students were very interested in anytime, anywhere. Computer learning apps prioritize user learning about martial arts, and 80% of the students liked interface, user-friendly, which can make students learn with martial arts. It shows that the vast majority of students have a International Transactions on Electrical Energy Systems 3 strong interest in martial arts short soldiers. Compared with Point, chop, stab, Offensive the traditional teaching methods, the short-handed martial collapse, li, Techniques arts courses are assisted by multimedia computer network. pick, sweep (e experimental group got a score of about 90 points, and the control group got a stable score of about 80 points, but it Technical was also found that 18% of them could not meet the daily movements of physical education teaching. (e average index value of short arms students’ positive response to the course in the experimental group increased after the experiment, and the average index Dodge, yield, frame, Defensive value of “great gain” increased by 0.56. support, grid, press, Techniques hang, cut and hit 2. Method of Multimedia Computer Network- Figure 1: Introduction to the technical movements of short Assisted Short-War Martial Arts Course soldiers. Martial arts short-armed sport is a sports activity, which is of improve their self-defense awareness and ability [13]. At the great significance for enriching its connotation, promoting its development, expanding its consumer groups, and same time, in the long-term study and training, the physical promoting Chinese martial arts as a national treasure [8]. pain and psychological timidity can be overcome. It can Martial arts short-armed sports have the characteristics of cultivate the will quality of perseverance, perseverance, never simple equipment, safe items, diverse techniques, and in- give up, and tenacious struggle [14]. telligence in confrontation. (e characteristics and functions CAI refers to a series of teaching activities using com- of sprinting determine its application value in society. Re- puters for teaching, through discussions with students, arranging the teaching process, and carrying out teaching lying on the advantages of the school to develop the short- handed movement can make better use of the school’s training. Computer-assisted instruction creates a personal- ized learning environment for students [15–17]. CAI is based advantages and make better use of the short-handed project, so that it can quickly radiate and spread to the society [9]. on the computer as the main teaching medium, that is, Starting from the characteristics of martial arts short teaching through computer-assisted teachers. Computers can soldiers themselves, it can be seen that martial arts short not only provide simple text, numbers, and other text soldiers are a valuable competitive sport. First of all, due to teaching information but also output animation, video, the intensity and safety of its confrontational exercise, image, sound, and so on. It can well realize the integration of practitioners can not only enhance their physical fitness but graphics, text, and sound of teaching information and im- also cultivate their sentiments and increase the fun of rec- prove the credibility of educational information [18]. (e reational activities [10]. Secondly, because it has the nature comprehensive application of multimedia technology, hy- pertext technology, artificial intelligence technology, network of martial arts and mainly combines equipment with martial arts, practitioners can not only improve the coordination of communication technology, and knowledge base technology solves the single and one-sided problem of traditional the body but also learn the self-protection ability of weapons. In addition, through this activity, they can not only hone teaching situation. (e application of this system can shorten their will, cultivate their sense of competition, but also the teaching time, improve the teaching quality, improve the achieve the effect of making friends by force [11]. teaching effect, and achieve the teaching purpose [19]. (e short-handed technical system can be divided into Under the two-dimensional coordinate system, it is main technical actions and auxiliary technical actions. Its characterized by teacher-oriented and student-centered technical movements can be divided into offensive tech- “individualization-collectivization.” Taking “people-ori- niques and defensive techniques; auxiliary technical ented” as the scale, the differences in different educational movements include preparation, short step, holding troops, cultures were analyzed, and the classification system of the CAI teaching mode shown in Figure 2 was obtained [20]. and posture [12]. (e main technical actions are offensive and defensive technical actions (Figure 1). With the high development of multimedia technology, multimedia technology visualization is applied to CAI. A From the above various technical movements, we can see that the short-handed movement is a movement full of multimedia computer is a technology that can capture, confrontational movements. In the process of confrontation, process, edit, store, and display two or more different types it is necessary to constantly use movements such as ad- of information media at the same time. (ese information vancing, retreating, straddling, and jumping. During the media include text, graphics, images, sounds, animations, entire exercise process, various joints of the human body are images, and like. (e distinctive feature of multimedia re- exercised, and one must concentrate and concentrate. After sources is that the internal information has a strong degree a short training, it can improve the flexibility, explosiveness, of connection and the internal organization of the file is flexibility, endurance, and strength of the body. Under the complex. (e traditional calculation result is data flow. (is data flow is not easy to understand, nor easy to check for highly concentrated practice, it can improve the sensitivity of the human motor system and nervous system and achieve right or wrong [21–23]. Visualization technology generates two-dimensional graphics on the screen through the geo- the effect of strengthening the body. (rough short soldier training, students can learn offensive and defensive skills and metric elements in the data structure and grasps the 4 International Transactions on Electrical Energy Systems Individualization (I) (II) Intelligent guidance Miniature World Individual Problem guidance Solving Get to know Case Study the tools Drill exercises Simulation Teaching Resource-based Teaching Tests Games learning Teacher-centered Student-centered Episodic learning (III) Information resources, Inquiry-based network learning communication Computer Supported Learning Computer- Virtual supported Classroom collaborative learning (IV) Collectivization Figure 2: Classification of computer-assisted instruction systems. operation of the data by means of the operation of the teaching is not conducive to students’ absorption of in- graphics, so that the process is visualized and intuitive. (e formation. Multimedia classroom helps to stimulate stu- multimedia computer-aided teaching model is a bilateral dents’ interest and motivation in learning, and the teaching relationship between teachers and students, including three effect is good, but it is also necessary to play the role of multimedia in a timely and appropriate manner. factors: teachers, models, and students [24–26]. Its teaching framework is shown in Figure 3. Using multimedia technology, it can turn static into Information dissemination is a complex process. Source, dynamic, change from fast to slow, integrate abstraction into information, channel, and disseminator are the four basic image, and enhance the teaching effect. Data communica- elements in information dissemination, among which the tion and digital communication technology are the core channel includes various human sense organs. (is reveals contents of basic computer network research. Its essence is the important role of various human senses in information the information stored in the computer. It adopts the form of reception. (e perception and acceptance of information are data coding and converts binary data into electromagnetic mainly completed by five sense organs, namely, vision, signals or optical signals through the principle of digital hearing, touch, smell, and taste. Among them, vision and circuits and transmits them in a controlled manner in hearing account for 94% of the total received information. channels composed of various transmission media by physical means such as electromagnetic waves, broadcasting, From the perspective of the memory effect of receiving in- formation, psychological research shows that it is shown in microwaves, infrared rays, and satellites. (e speed of Table 1. transmission, the variety of forms, the complexity of physical Multimedia computer combines various human sense changes, and the difficulty of control are difficult to re- media, so they can be considered as an extension of human produce physically through experimental equipment. Using senses. (e multimedia computer integrates and processes computer multimedia technology, through sound, light, and information in a multidimensional way, so that the infor- animation technology, it vividly reproduces the abstract mation obtained by different human senses can complement content, complex change process, subtle structure, and each other and form a relatively complete information space, complicated control that are difficult to express in teaching and difficult for students to understand through animation which can enhance students’ ability to feel and understand things. (e large amount of information in multimedia simulation, partial enlargement, process demonstration, and Summary Assignment International Transactions on Electrical Energy Systems 5 Teacher Definitely Demonstration Develop a plan Setup issues corrected Q&A Establishing Teaching Inspired Evaluation Mode goals content Learning Feedback Personal Self-study Student selection Self-adjustment before class exercises of goals Students Figure 3: Teaching framework of multimedia computer-assisted teaching method. Table 1: Memory effects of different senses on received information. where n is the number of bits per sample value. PSNR is essentially the same as MSE, which is the logarithmic rep- Time delay 2 hours later After 7 hours resentation of MSE. For a video, the average value of PSNR Auditory 0.70 0.10 or MSE is usually used to represent the video quality. In Visual 0.72 0.20 general, for the same video content, when using the same Audiovisual 0.85 0.65 encoding method, the higher the bit rate usually means the better the video quality. (erefore, sometimes the average bit other means. It thus has a multiplier effect. (e data rate can also be used to represent the difference in video transmission process in the WAN is shown in Figure 4. quality. (e adaptive network multimedia service presents di- From the user’s point of view, not only do they expect versified development, and how to design appropriate in- higher video quality, i.e., clarity, but also expect smoother dicators to evaluate the service quality becomes particularly video playback. In other words, interruptions and stutters important. From the user’s point of view, good service during playback can be minimized. (e fluency of the video quality means a higher degree of recognition of the service. will seriously affect the user’s willingness to watch, which is Due to the adaptive media service method, the bit rate/ directly related to the satisfaction of the video service. quality is time-varying, and the received video is distorted (erefore, the multimedia service system must ensure that relative to the original video. For videos with the same the video quality is improved under the premise of smooth content and encoding method, even if they are transmitted video. Frame rate is directly related to video fluency. If the in the same network environment, different transmission frame rate of video compression is 25 frames per second, the adaptive algorithms usually get different video quality. (e actual frame rate of playback is only 20 frames per second. most intuitive way to evaluate the quality of video service is Obviously, there is a lag in playback. (erefore, in practical the quality of the video at the receiving end, that is, com- applications, the average frame rate can be used to charac- paring each pixel of the original reference video frame and terize the fluency: the distorted video frame, so as to obtain the similarity or A(T) fidelity between the two. (e simplest measures to measure f � . (3) fidelity are mean square error (MSE) and peak signal-to- ′ noise ratio (PSNR). Among them, A(T) represents the total number of frames when a video with a length of L minutes is played, 2.1. Mean Square Error (MSE) and T is the actual playback time. Usually, when the video bit rate is higher than the available bandwidth of the net- 􏽐 􏽐 􏼐f − f 􏼑 0≤i≤M 0≤j≤N ij ij (1) work, the cache starts to be consumed. Playback is inter- MSE � . M × N rupted once the number of buffered video frames is less than the minimum decodable value. (erefore, by recording the Among them, M and N represent the height and width of changes in the playback buffer, the interruption frequency or the video frame, respectively, and f and f represent the ij ij average interruption time during the playback process can original reference video frame and the distorted video frame, also be counted to represent the smoothness of playback, respectively. that is, the interruption frequency: S(T) 2.2. Peak Signal-to-Noise Ratio (PSNR) (4) f � . n 2 2 − 1 􏼁 (2) PSNR � 10lg , Among them, S(T) represents the total number of in- MSE terruptions. (e average interruption time is as follows: Teaching Bilateral Relationships 6 International Transactions on Electrical Energy Systems Switching equipment Data Packages 1 3 7 4 Nodes Figure 4: Schematic diagram of data transmission. 2.2.1. Disk I/O. Assuming that the amount of data trans- 􏽐 t(n) n�0 (5) t � . mitted by the disk per second is W , the seek time of the max head in the D time is t, and the time used for data trans- Among them, t(n) represents the duration of the nth mission in the D time is D-nt, so the n priority nodes can be interruption. scheduled as follows: (e variance is used to characterize the intensity of fluctuations. Similarly, for the smoothness of the video, it 􏽘 x u ≤ (D − nt)W . (10) i i max can be characterized by the variance of quality/bit rate i�1 variation, namely, (e number of data units processed in time D is as 􏽐 r − r 􏼁 follows: t−1 t A (6) σ � . x � 􏼂k D􏼃. (11) i i Among them, the video duration is T, r is the bit rate at It can also be expressed as follows: time t, and r is the average bit rate. For layered video, it can also be characterized by the 􏽘 x u + tW 􏼁≤ DW ≡ I. (12) magnitude and frequency of video quality/bit rate changes. i i max max i�1 Among them, the amplitude can be expressed by the fol- lowing formula: 􏼌 􏼌 􏼌 􏼌 􏼌 􏼌 􏽐 􏼌r − r 􏼌 t−1 t A 2.2.2. CPU Scheduling. All threads are scheduled periodi- (7) U � . cally. Due to the use of double buffer technology, thread access to media data is nonblocking. (e conditions for the (e frequencies are as follows: CPU to schedule n threads are as follows: 􏽐 F t−1 t 1/n (8) i f � . 􏽘 ≤ 􏼐2 − 1􏼑 ≡ C. (13) i�1 F is the indicative function: 1, If a layer switch occurs at time t, F � 􏼨 (9) 2.2.3. Multimedia Output Device Scheduling. Multimedia 0, Otherwise. output devices have a maximum output rate limit. When n Obviously, the larger the amplitude and the higher the multimedia streams are output, stream merging may be performed, that is, output at 􏽐 r rate. Assuming that V frequency, the more obvious the video flicker and the worse i�1 i max the smoothness. supports the maximum allowable rate for the multimedia International Transactions on Electrical Energy Systems 7 output device, the conditions under which n priority sec- tions can be scheduled are as follows: SSD VPN Devices 􏽘 r ≤ V . (14) i max i�1 Mobile user access 2.2.4. Network Management. Distributed networks have a maximum bandwidth limit. Assuming that B is the max maximum allowable bandwidth of the network, the con- ditions for scheduling n priority nodes are as follows: 􏽘 r ≤ B . (15) i max i�1 Internet Behavior Combining the output device bandwidth calculation Management Gateway with the network bandwidth calculation, we get the following: 􏽘 r ≤ min V , B . 􏼁 (16) i max max i�1 2.2.5. Buffer Management. Buffer management is respon- NAC sible for buffer allocation and deallocation for priority Gateway sections. Assuming that each priority section has thread p and network processing q , then n priority sections have n n 􏽐 p threads and 􏽐 h network processing; then, the i i i�1 i�1 conditions for n priority sections to be scheduled are as follows: Organizational Internal Network n p +h +1 i i ⎛ ⎝ ⎞ ⎠ 2 􏽘 􏽘 x u ≤ M , (17) Figure 5: Hardware in practice. i i max i�1 j�1 principle is to attach the sensor node to a shape. It is defined where M is the maximum available memory space of a max that the sensor uses a specific pointing device such as a computer system. mouse to sense the user’s actions, but when different actions As shown in Figure 5, the so-called virtual reality means such as double click or single click are sensed, different that the user can watch the virtual world through the events are triggered and output. (is event is transmitted to computer screen and through the multimedia technology. the relevant nodes through the routing mechanism, causing On this basis, using a variety of different input devices to modeling changes or animation playback, thereby con- fully interact with virtual reality is an important method to structing the interaction mechanism between the virtual realize multimedia teaching courseware. VRML (virtual reality world and the operator. reality modeling language) is a virtual modeling language. It is a platform-independent descriptive language that sup- 3. Investigation and Experiment of Multimedia ports three-dimensional interactive functions. It is widely used in the development of online games, and it has good Computer Network-Assisted Short-War editability, reusability, extensibility, and scalability. It is one Martial Arts Course of the main realization tools of virtual reality technology. Interaction is a necessary function of making multimedia Because the B/S (browser/server) structure has good inde- network teaching courseware. VRML is realized through pendence, scalability, and security, it is suitable for the in- internal sensor triggers and events, routing system, and terconnection of various databases and also facilitates the message capture mechanism. (rough these mechanisms, management and maintenance of the system. (erefore, the nodes in the scene graph can communicate with each other whole system is designed with B/S structure of client, Web in the form of messages. Nodes can capture these messages server, and database server. (e basic structure is shown in for event triggering, which can cause scene changes. (is Figure 6. also solves the simulation problem of data exchange between (e IIS (Internet Information Services) architecture network nodes in network data transmission. As for the Web server is used to connect the client and the database interaction with the courseware user, the realization server. When the client requests to access the database, the 8 International Transactions on Electrical Energy Systems Table 2: Questionnaire recovery status. Data Access Business Processing Request Requests Survey Number of Questionnaire Questionnaire subjects copies sent return rate (%) efficiency (%) Business Data Access Professor 3 100 100 Database Processing Results Results Associate Client Web server 10 100 100 browser professor Lecturer 22 100 100 Figure 6: B/S architecture. Students 500 99 97.4 Web server is responsible for the communication between surely receive the active participation of students and the database server and the client terminal and embeds the produce good teaching effects. Figure 7 shows the statistical relevant data into the client’s Web page. When the client results of the attitudes of students learning martial arts short requests not to access the database, the Web server will soldiers. directly process these requests and deliver the resulting Web From Figure 7, it can be found that more than 90% of the page to the client browser. students are very interested in learning about martial arts, In the physical education teaching in colleges and and 80% of the students like martial arts. It can be seen that universities, the teaching forms based on ball games, aer- the vast majority of students have a strong interest in martial obics, gymnastics, martial arts routines, and other items still arts short combat, which shows the urgency of students to exist. Programs such as Wushu Short Soldier are not only understand the urgency of learning martial arts short popular among students but also beneficial to the physical combat. 77.8% of the students held the attitude that they and mental development of college students. (ey are often liked it very much and indicated that, if they had, they would unable to be opened due to many factors. (is study mainly definitely take this course. No requirement accounted for discusses and analyzes factors such as the actual needs of 15.6%. (is is because the students only know about the students’ learning, venues, equipment, and teachers and martial arts short soldier through magazines, newspapers, studies the feasibility of setting up martial arts short soldiers and the Internet, and some do not even know it, so they do in college sports. To study the necessity and feasibility of not know enough about the functions of the martial arts offering martial arts short-troop courses assisted by multi- short soldier. Students’ interest in learning has laid a good media computer network for martial arts majors in physical foundation for the teaching and training of martial arts short education colleges, a questionnaire was made on the in- soldiers. Figure 8 shows the evaluation of the technical tention and participation of martial arts courses in a physical characteristics of the two groups by the Wushu coaches. education college. 535 questionnaires were distributed and It can be seen from Figure 8 that martial arts short- 530 were recovered, of which 512 were valid questionnaires. handed sports have outstanding advantages in combat, (e details are shown in Table 2. safety, fitness, and viewing. (e score of the experimental Among the students who specialize in martial arts, a class group was around 90, and the evaluation of the control was selected as the experimental group (50 people), and group was stable at around 80. Martial arts short soldier is a multimedia computer network-assisted short-handed mar- fighting sport of two people. It uses equipment to extend the tial arts teaching was carried out in the teaching. (e other distance of attack and uses body movement and arm class is the control group (50 students), which uses tradi- movement to attack and defend opponents. As far as tional teaching methods to teach martial arts and boxing equipment is concerned, it is a special weapon, usually routines. (ere was no short-term teaching, and the teaching wrapped in a layer of sponge leather on rattan or bamboo. time was 18 hours. After the teaching, the differences be- (is weapon is both soft and elastic, so practitioners do not tween the two groups of students were compared with the have to worry about being injured by the equipment. test scores. For physical education, campus hardware facilities and (is test is approved by the school and the parents of the activity area are very important aspects. Figure 9 shows the students, and the students participate voluntarily. Before results of the survey on whether the physical education participating, the students have been informed of the test facilities can meet the daily physical education teaching purpose, time limit, and precautions during the test. (e satisfaction. physical test of the 100 students before the experiment is It can be seen from Figure 9 that the proportion of shown in Table 3. students who cannot meet the daily physical education teaching is 18%. It is understood that reasonable use of the school’s airspace to carry out physical education teaching 4. Feasibility Data of Opening Martial Arts can basically meet the daily physical education needs when Short-Armed Courses the school space is insufficient. Selecting the general pro- In the sports activities of colleges and universities, due to the portion is 38%, indicating that the current venue has just met particularity of the major, there are certain skills or project the demand. If martial arts short soldiers enter the campus, it tendencies, and the establishment of novel courses is often is necessary to build multiple martial arts short soldiers. Solving the problem of venues is one of the important di- what students yearn for. (e courses offered according to the interests generated and developed on the basis of needs will rections for the development of martial arts short soldiers. International Transactions on Electrical Energy Systems 9 Table 3: Physical test of the Šrst 100 students in the experiment. Experimental group Control group Item Average value Standard deviation Average value Standard deviation Height 162 11.3 162 11.2 Body weight 50.2 18.6 51 18.5 Upper shoulder sebum thickness 9.80 2.4 9.85 2.3 50 m+ 9.10 3.1 9.11 3.1 Lung capacity 2685 488 2623 487.5 100 200 50 100 0 0 Student attitude Number of persons Student attitude Helpful No help Uncertain Figure 7: Statistical results of the attitudes of students learning martial arts short soldiers. Action pleasure refers to the positive emotions of joy and It can be seen from Figure 10 that the students in the pleasure experienced during movement and activity. e experimental group think that the average index values of generation of the pleasure of action is related to each per- “the course is interesting,” “enjoyed the physical education son’s interest, the expectation of the activity goal, and the class,” “involved in the practice,” “the course time passes increase in positive response. Students have a lot of learning quickly,” and “great gain” have increased after the experi- tasks every day, and their psychology is in the developmental ment. Among them, the average indicator value of “great stage, which is prone to rebellious psychology. Physical harvest” rose by 0.56. e increase was larger than that of the education class can not only exercise the body but also bring control group, while the average indicator value for “the a happy mood. is study mainly starts from two aspects: class was boring” decreased. e data show that Wushu Short Soldiers can improve students’ perception of physical whether the movement pleasure is obtained after practicing martial arts short soldiers and the in�uence of the movement education. It increases the love for physical education and pleasure on the students’ mental health and mental state. On improves the teaching e�ect of physical education. Martial the one hand, it is to prove the e�ect of martial arts short arts short soldiers can bring more pleasure to students. It soldiers to carry out exercise. On the other hand, it explores shows that it is feasible to set up martial arts short soldier the mental and mental health of middle school students courses assisted by multimedia computer network. ere is a according to the pleasure of movement. Figure 10 shows the lot of information in multimedia teaching, and students have results of the analysis of the pleasure of the two groups of di�erent self-learning abilities, so they need to cooperate students before and after the experiment. with traditional teaching methods. Angle Want to learn Like Very much No requirement Angle Physical Fitness Social skills Psychological quality Fighting Skills Exercise Habits Entertainment 10 International Transactions on Electrical Energy Systems 100 100 95 95 90 90 90 90 85 85 80 80 75 75 70 70 Technical Features Technical Features Experimental group Control group Figure 8: Martial arts coach’s evaluation of the technical characteristics of the two groups. 20 5 12 3 8 2 7 7 SATISFACTION LEVEL SATISFACTION LEVEL Number of students Number of students Figure 9: Whether the physical education facilities can meet the daily physical education teaching satisfaction survey. Rating NUMBEROF STUDENTS Very satisfying Skillfulness Comparative satisfaction Security General Fitness Not quite satisfied Ornamental Completely unsatisfactory Rating NUMBEROF STUDENTS Very satisfying Skillfulness Comparative satisfaction Security General Fitness Not quite satisfied Completely unsatisfactory Ornamental International Transactions on Electrical Energy Systems 11 Experimental group conducive to students’ receiving information. (e estab- lishment of martial arts short soldiers is a unique educational 3.51 3.52 3.41 3.5 3.21 form of martial arts courses, and it is also the need to enrich 3.01 3.61 2.96 2.89 3.01 2.84 the content of physical education. It also meets the practical 2.5 needs of students for martial arts skills. Traditional martial arts culture plays an important role in humanistic education. 1.5 In the study of traditional martial arts, we should break 1.01 0.99 through the limitation of simply viewing it as a sports 0.5 competition in the past. It is necessary to establish cultural concepts, summarize their thoughts, tap their cultural and educational values, and develop a multilevel martial arts cultural and educational market [27]. Data Availability (e data of this study can be obtained through the email to Indicators the authors. Control group 3.49 Conflicts of Interest 3.21 3.2 3.5 3.21 3.11 2.95 2.88 2.88 2.83 (e authors declare that there are no conflicts of interest 2.89 2.5 regarding the publication of this work. 1.5 0.99 Authors’ Contributions 0.5 Fei Meng was born in Heze City of Shandong Province in China and works in Department of Physical Education and Health, Heze University, with research interests including martial arts and health. Email is mengfei@hezeu.edu.cn. References [1] X. Zou and H. 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Journal

International Transactions on Electrical Energy SystemsHindawi Publishing Corporation

Published: Aug 25, 2022

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