Multi-channel NLMS-based sea clutter cancellation in passive bistatic radar

被引：22
|
作者：
Shan, Tao [1 ]
Ma, Yahui [1 ]
Tao, Ran [1 ]
Liu, Shengheng [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2014年 / 11卷 / 20期
基金：
中国国家自然科学基金;
关键词：
passive bistatic radar (PBR); sea clutter cancellation; multi-channel normalized least-mean-square (MCNLMS); adaptive filter; TARGET DETECTION;
D O I：
10.1587/elex.11.20140872
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Sea clutter suppression is critical in the detection of low-velocity targets using a passive bistatic radar. The residual sea clutter may become high when the normalized least-mean-square (NLMS) algorithm with a small step size is used for this purpose. While a large step size can be used to reduce the residual sea clutter, it yields a widened filter notch, and thereby, causes significant target signal energy loss. A multi-channel NLMS algorithm is proposed to solve this problem, and its effectiveness is verified by simulation and real radar data analysis.
引用
收藏
页数：12
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