A fast high-resolution method for bearing estimation in shallow ocean

被引：0

作者：

Yong Jin

Jian-guo Huang

Li-jie Zhang

Yun-shan Hou

机构：

[1] Northwestern Polytechnical University,College of Marine

[2] National Key laboratory of Underwater Information Processing and Control,undefined

来源：

Multidimensional Systems and Signal Processing | 2009年 / 20卷

关键词：

Underwater; Bearing estimation; High-resolution; Normal mode theory; MUSIC method; One-dimensional search;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We propose a concise underwater array model based on normal mode theory and put forward a new bearing estimation method using generalized Rayleigh ratio theory to lighten the computation burden of three-dimensional MUSIC method. This method obtains source azimuths by one-dimensional search without prior knowledge of source ranges and depths. So, computational complexity of proposed method decreases exponentially compared with that of maximum likelihood (ML) and three-dimensional MUSIC. Results from simulations and lake experiments turn out to be in close agreement with theoretical analysis.

引用

页码：397 / 406

页数：9

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