相干雷达极化自适应匹配滤波器  

Polarimetric adaptive matched filter with the coherent radar

作　　者：刘立东[1] 吴顺君[1] 王万林[1] 

机构地区：[1]西安电子科技大学雷达信号处理国家重点实验室,陕西西安710071

出　　处：《西安电子科技大学学报》2005年第1期98-102,共5页Journal of Xidian University

基　　金：国家部委预研基金资助项目(00J7 2 8 DZ0152)

摘　　要：提出了高斯杂波背景下相干雷达极化自适应匹配滤波器的结构.将先前的单通道和双通道自适应匹配滤波器推广至一般极化接收通道情况,利用雷达回波的极化信息来提高检测性能.推导出了虚警概率表达式.研究结果表明,多极化通道自适应匹配滤波器相对于杂波协方差矩阵有恒虚警的性质.仿真分析了不同极化状态时的检测性能.A polarimetric adaptive matched filter with the coherent radar against a Gaussian background is presented. Previously proposed single channel and double channel adaptive matched filters are extended to the case of a general number of channels. The expressions of PFA for AMF a general number of channels are derived. It is shown that the proposed detector has the const false alarm properties with respect to the covariance matrix of the clutter. We resort to simulation to analyze the performance in different polarimetric cases.

关 键 词：相干雷达 极化 自适应匹配滤波器 

分 类 号：TN957.51[电子电信—信号与信息处理]