Data-based depth estimation of an incoming autonomous underwater vehicle

被引:7
|
作者
Yang, T. C. [1 ]
Xu, Wen [1 ]
机构
[1] Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou 310058, Zhejiang, Peoples R China
来源
关键词
MOVING SOURCE; LOCALIZATION;
D O I
10.1121/1.4964640
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The data-based method for estimating the depth of a moving source is demonstrated experimentally for an incoming autonomous underwater vehicle traveling toward a vertical line array (VLA) of receivers at constant speed/depth. The method assumes no information on the sound-speed and bottom profile. Performing a wavenumber analysis of a narrowband signal for each hydrophone, the energy of the (modal) spectral peaks as a function of the receiver depth is used to estimate the depth of the source, traveling within the depth span of the VLA. This paper reviews the theory, discusses practical implementation issues, and presents the data analysis results. (C) 2016 Acoustical Society of America
引用
收藏
页码:EL302 / EL306
页数:5
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