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电子学报  2012 

一种有效色加载因子的知识辅助STAP方法

DOI: 10.3969/j.issn.0372-2112.2012.10.033, PP. 2101-2106

Keywords: 空时自适应处理,先验知识,色加载,杂波抑制,自适应匹配滤波器

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Abstract:

针对非均匀杂波环境里独立同分布训练样本较少的问题,本文提出了一种知识辅助的LCMV-STAP方法.该方法首先求解出知识辅助的LCMV-STAP模型中的权矢量表达式,然后推导出色加载因子与约束常数的关系式,最后求解出两个色加载因子.仿真结果表明,与传统STAP方法相比,知识辅助的LCMV-STAP方法在非均匀杂波环境下仍能获得较好的输出信干噪比,自适应匹配滤波器检测目标的概率优于传统STAP方法.

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