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电子学报  2012 

知识辅助机载雷达杂波抑制方法研究进展

DOI: 10.3969/j.issn.0372-2112.2012.06.022, PP. 1199-1206

Keywords: 机载雷达,杂波抑制,空时自适应处理,知识辅助

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Abstract:

现有研究表明,有效利用先验知识可以较好地解决机载雷达自适应信号处理中的非均匀杂波问题.分析了当前知识辅助机载雷达杂波抑制方法研究的基本情况,从外信息源数据与雷达观测数据的关联、智能样本选取与滤波器选择两个方面分析了间接利用先验知识方法的研究进展,从先验协方差估计、预白化类空时自适应处理(STAP)算法以及贝叶斯滤波STAP算法三个方面分析了直接利用先验知识的方法的研究进展,分析了基于先验知识的CFAR处理方法以及高逼真度杂波建模与仿真的研究进展.建立在对现有研究分析的基础上,从对更多信息源的使用和更有效融合先验知识的STAP方法两个方面提出了一些值得进一步深入研究的问题.

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