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Research of Passive Radar Imaging Using Single External Illuminator and Multiple Receivers
Author(s): WANG Da-hai, WANG Jun
Pages: 1138-
1141
Year: 2006
Issue:
6
Journal: ACTA ELECTRONICA SINICA
Keyword: 无源雷达成像; 孔径合成; 单发多收模式;
Abstract: 首先分析了无源雷达成像系统的目标回波形式,得到了目标散射分布函数和雷达接收信号之间的傅里叶变换对关系;对单个外辐射源的情况,提出了利用部署多个接收站等效合成大的孔径对目标进行成像的方法.由于采集的数据非均匀分布且数据量很少,本文采用极坐标格式对数据进行处理,充分利用了原始精确数据,有效提高了成像质量.理论推导和计算机仿真结果说明该方法是可行的.
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