Adaptive Radio Frequency Interference Mitigation for HF Surface Wave Radar

被引：0
|
作者：
WAN Xian-rong
机构：
来源：
Wuhan University Journal of Natural Sciences | 2005年 / 05期
关键词：
HF surface wave radar; array signal processing; adaptive beamforming;
D O I：
暂无
中图分类号：
TN958 [雷达：按体制分];
学科分类号：
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要：
The paper analyses the characteristics of radio frequency interference (RFI) in HF surface wave radar (HFSWR) which adopts the linear frequency modulated interrupted continuous wave (FMICW). RFI will influence all the range cells including all the positive frequency and negative frequency, and the negative frequency range cells contain only the interference information. Based on the above characteristics, we introduce and analyze a new adaptive interference mitigation beamforming algorithm using the negative frequency range cells samples to estimate the interference covariance matrix. Experimental results confirm that this general and robust algorithm can achieve effective RFI suppression using the data recorded by the HFSWR, located near Zhoushan in Zhejiang China.
引用
收藏
页码：851 / 854
页数：4
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