本文基于PowerPC7410 芯片与常用DSP 芯片性能的比较与分析,指出了PowerPC 在 大数据量、高速信号处理中的巨大优势和应用潜力,最后给出了采用PowerPC 实现的SAR实时距离向压缩模块的新设计。 关键词:PowerPC,合成孔径雷达,DSP 芯片,实时成像 Abstract:Based on the analysis and comparison between the PowerPC and other DSP chips, this paper shows that PowerPC has huge advantages and potential for real-time signal processing with high-speed and large data-flow. A novel design for SAR real-time range compressing module is presented at last. Key Words:synthetic aperture radar (SAR), DSP chip, PowerPC, real time imaging