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Free-field calibration of a pressure gradient receiver in a reflecting water tank using a linear frequency-modulated signal

Free-field calibration of a pressure gradient receiver in a reflecting water tank using a linear... Abstract This work continues a study of the method for constructing the frequency dependence for a projector-receiver pair in a free field by complex moving weighted averaging of the frequency dependence for a pair measured in the field of a reflecting water tank. The method is applied to the free-field calibration of a pressure gradient receiver using a reference hydrophone when radiating a complex linear frequency-modulated (LFM) signal. To improve the estimates of this method, we edited the initial frequency dependences using functions in the form of the product of the complex LFM projector current multiplied by the powerlaw function of the LFM signal frequency. We consider ways to use a priori information both to improve the results obtained by complex moving weighted averaging and to estimate the distortions introduced by this method are considered. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustical Physics Springer Journals

Free-field calibration of a pressure gradient receiver in a reflecting water tank using a linear frequency-modulated signal

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References (15)

Publisher
Springer Journals
Copyright
2013 Pleiades Publishing, Ltd.
ISSN
1063-7710
eISSN
1562-6865
DOI
10.1134/s1063771013050096
Publisher site
See Article on Publisher Site

Abstract

Abstract This work continues a study of the method for constructing the frequency dependence for a projector-receiver pair in a free field by complex moving weighted averaging of the frequency dependence for a pair measured in the field of a reflecting water tank. The method is applied to the free-field calibration of a pressure gradient receiver using a reference hydrophone when radiating a complex linear frequency-modulated (LFM) signal. To improve the estimates of this method, we edited the initial frequency dependences using functions in the form of the product of the complex LFM projector current multiplied by the powerlaw function of the LFM signal frequency. We consider ways to use a priori information both to improve the results obtained by complex moving weighted averaging and to estimate the distortions introduced by this method are considered.

Journal

Acoustical Physics – Springer Journals

Published: Nov 1, 2013

Keywords: Acoustics

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