Application of parameter-induced stochastic resonance to target detection in shallow-water reverberation

被引：13
作者：
Xu, Bohou [1 ]
Zhang, Huiquan
Zeng, Lingzao
Li, Jianlong
Wu, Xingxing
Jiang, Zhong-Ping
机构：
[1] Zhejiang Univ, Dept Mech, State Key Lab Fluid Power Transmiss & Control, Hangzhou 310027, Peoples R China
[2] Polytech Univ, Dept Elect & Comp Engn, Brooklyn, NY 11201 USA
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 09期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2776856
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A method based on parameter-induced stochastic resonance is proposed for target echo detection in the presence of shallow-water reverberation. The signal received by the horizontal sensor array is normalized and delayed to form the input to a bistable system. The system parameters are tuned properly to maximize the detection performance based on parameter-induced stochastic resonance techniques. Considering the limitation on the length of receiving arrays, the space-time unfolding method is suggested to largely improve the detection performance.(c) 2007 American Institute of Physics.
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