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Abstract In this paper, the time reversal method in an anisotropic elastic solid is theoretically studied for the first time. The transversely isotropic anisotropic medium (6mm crystal structure) is modeled as the anisotropic elastic solid. A unidirectional glass-reinforced epoxy-fiber is chosen...
Abstract In the ultrasonic diagnostics of small-size neoplasms of biological tissues at the earliest stage of their development, an efficient way to eliminate the distorting influence of high-contrast or large inhomogeneities of the biological medium is to apply the iterative technique. A simple...
Abstract An electroacoustic transducer in the form of a piezoelectric of the 6mm symmetry class with an arbitrary orientation of the sixfold axis and with two finite-thickness metal electrodes is considered taking into account the acoustic attenuation in the transducer layers. A system of...
Abstract Collinear light diffraction by three-frequency sound is investigated theoretically. The amplitude distributions of transmitted and diffracted light waves along the cell are calculated for different amplitudes of sound signals. The dependence of the intensity of principal diffraction...
Abstract The results of studying the angular and energy structures of a sound field at great depths (880 and 1100 m) with the emission of pseudonoise signals (a frequency range of 1–4 kHz) in the upper layers of the ocean below the velocline (at a depth of 200 m) are presented. The results refer...
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