Application of stochastic resonance in target detection in shallow-water reverberation

被引：12
|
作者：
Xu, Bohou [1 ]
Zeng, Lingzao
Li, Jianlong
机构：
[1] Zhejiang Univ, Dept Mech, State Key Lab Fluid Power Transmiss & Control, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Inst Informat & Commun Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF SOUND AND VIBRATION | 2007年 / 303卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.jsv.2007.01.015
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In the processing of sea-bottom echo signal, the total received noise is approximated to Lorentzian form according to its vertical coherence. Then a method based on parameter-induced stochastic resonance (PSR) is presented. By means of tuning system parameters, numerical simulation shows that PSR method can effectively recover the spatial signal interfered by Gaussian noise. It also shows that PSR method has well applicability when processing spatial signal interfered by K-distributed envelope noise. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：255 / 263
页数：9
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