The sensitivity of monitoring by measuring the frequency shifts of the sound field interference pattern

Kuzkin VM; Oppengeim VD; Pereselkov SA

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The sensitivity of monitoring by measuring the frequency shifts of the sound field interference pattern

机译：通过测量声场干扰方向图的频移进行监视的灵敏度

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摘要

The sensitivity of the remote method of reconstructing the frequency spectrum of a water medium perturbation from the measured frequency shifts of the sound field interference peaks is investigated. On the basis of the Rayleigh criterion, an expression is derived for estimating the minimal frequency shift that allows the resolution of two neighboring peaks. The detection sensitivity for the sound velocity fluctuations caused by the time variability of the medium along the track is estimated. Results of computations for a perturbation in the form of background internal waves are presented.

机译：研究了从声场干扰峰的频移中重建水介质扰动频谱的远程方法的灵敏度。根据瑞利准则，导出一个表达式，用于估计允许两个相邻峰解析的最小频移。估计由介质沿轨道的时间变化性引起的声速波动的检测灵敏度。给出了以背景内部波形式进行的摄动的计算结果。

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《Acoustical physics》 |2008年第2期|共4页
作者
Kuzkin VM; Oppengeim VD; Pereselkov SA;
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正文语种 eng
中图分类声学;
关键词
BACKGROUND INTERNAL WAVES; SHALLOW SEA; VARIABILITY; OCEAN;

机译：背景内部波浪;浅海;可变性;海洋;

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专利

1. The sensitivity of monitoring by measuring the frequency shifts of the sound field interference pattern [J] . Kuzkin VM, Oppengeim VD, Pereselkov SA Acoustical physics . 2008,第2期

机译：通过测量声场干扰方向图的频移进行监视的灵敏度
2. Frequency shifts of the sound field interference pattern in shallow water because of second-mode soliton-like internal waves [J] . Lunkov A.A., Petnikov V.G., Hwung H.-H., Acoustical physics . 2013,第1期

机译：二次水样孤波内波在浅水中声场干涉图的频移
3. Frequency shifts of the sound field interference pattern on oceanic shelf in summer conditions [J] . KuzKin V.M., Lin Y.-T., Lunkov A.A., Acoustical physics . 2011,第3期

机译：夏季大洋架上声场干扰方向图的频移
4. Design of transform filter for reproducing arbitrarily shifted sound field using phase-shift of spatio-temporal frequency [C] . Koyama, Shoichi IEEE International Conference on Acoustics, Speech and Signal Processing;ICASSP . 2012

机译：时空频率相移再现任意位移声场的变换滤波器设计
5. High-sensitivity imaging of magnetic fields from cardiac apex action potential propagation using Superconducting Quantum Interference Device (SQUID) microscopy. [D] . McBride, Krista Kay. 2008

机译：使用超导量子干涉仪（SQUID）显微镜对来自心脏顶点动作电位传播的磁场进行高灵敏度成像。
6. Graduated Frequencies alcohol measures for monitoring consumption patterns: Results from an Australian national survey and a US diary validity study [O] . Thomas K. Greenfield, William C. Kerr, Jason Bond, -1

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7. Eigenmode analysis of the interference patterns in reverberant sound fields [O] . Chu, W. T. 1980

机译：混响声场中干扰模式的本征模分析
8. Far Field Sound Patterns from Anisotropic Cylindrical Shells under Lateral Point Loading at Low Frequencies [R] . Greenspon, J. E. 1971

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The sensitivity of monitoring by measuring the frequency shifts of the sound field interference pattern

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