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该文在简单介绍合成孔径雷达(SA)成像原理的基础上,着重讨论了以高速数字信号处理器(DSP)为核心的SAR实时成像处理系统的硬件结构,分析了系统的主要性能指标并给出了该系统的实验测试结果.“,”This paper presents the principle of Sythetic Aperture Radar (SAR) imaging.Then, the sysstem confguration of SAR real-time digital signal processing system with ultra-high speed DSP and the logical struc- ture of range & azimuth compression of SAR imaging are described in detail. The main technical parameters are also analyzed briefly finally the experiment results or the system are ho presented.