The Formation of 2D Holograms of a Noise Source and Bearing Estimation by a Vector Scalar Receiver in the High-Frequency Band

被引:0
|
作者
Pereselkov, Sergey [1 ]
Kuz'kin, Venedikt [2 ]
Ehrhardt, Matthias [3 ]
Matvienko, Yurii [4 ]
Tkachenko, Sergey [1 ]
Rybyanets, Pavel [1 ]
机构
[1] Voronezh State Univ, Math Phys & Informat Technol Dept, Voronezh 394018, Russia
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
[3] Univ Wuppertal, Appl & Computat Math, Gaussstr 20, D-42119 Wuppertal, Germany
[4] Russian Acad Sci, Inst Marine Technol Problems, Far East Branch, Vladivostok 690091, Russia
基金
俄罗斯科学基金会;
关键词
shallow water; noise source; sound field; sound rays; interference; interferogram; hologram; source detection; source bearing; WAVE-GUIDE INVARIANT; RANGE ESTIMATION; INTERFERENCE; LOCALIZATION; SOUND; SURFACE;
D O I
10.3390/jmse12050704
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
The holographic signal-processing method for a single vector scalar receiver (VSR) in the high-frequency band in shallow water is developed in the paper. The aim of this paper is to present the results of the theoretical analysis, numerical modeling, and experimental verification of holographic signal processing for a noise source by the VSR. The developed method is based on the formation of the 2D interferogram and 2D hologram of a noise source in a shallow-water waveguide. The 2D interferograms and 2D holograms for different channels of the VSR (P sound pressure and VX and VY vibration velocity components) are considered. It is shown that the 2D interferogram consists of parallel interference fingers in the presence of a moving noise source. As a result, the 2D hologram contains focal points located on a straight line, and the angular distribution of the holograms has the main extreme value. It is shown in the paper that the holographic signal-processing method allows detecting the source, estimating the source bearing, and filtering the useful signal from the noise. The results of the source detection, source bearing estimation, and noise filtering are presented within the framework of experimental data processing and numerical modeling.
引用
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页数:22
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