摘要： 针对SAR成像算法高速实时处理、宽幅海量存储的特点，设计并实现一种基于多PowerPC处理器的高性能并行信号处理模块。该处理模块利用多种高速串行总线构成不同层次的互联网络以适应不同类型的数据流传输，结合具有混合并行结构的底层处理节点以完成SAR成像算法在该处理模块上的映射。应用结果表明，基于该处理模块构建的信号处理系统架构具有标准化、模块化、可重构、可扩展的优势。

关键词: SAR成像算法, PowerPC处理器, 并行计算

Abstract: Aiming at the characteristics of high-speed real-time processing and wide mass storage of SAR imaging algorithm, this paper designs and implements a high-performance signal processing module based on multi PowerPC processor. This processing module constructs variety levels of networks by using a variety of high-speed serial buses to adapt to the transmission of different types of dataflow in signal processing system. It completes the mapping of SAR imaging algorithm on the module by combining with bottom signal processing nodes of mixed parallel structure. Application result shows that the signal processing system architecture based on this module is standardized, modular, reconfigurable and scalable.

Key words: SAR imaging algorithm, PowerPC processor, parallel computing

中图分类号: 

• TP391.7