基于MNMP的ScanSAR并行成像系统设计
doi: 10.3724/SP.J.1146.2005.00814
The Design of Parallel Imaging System Based on MNMP Mode
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摘要: 该文对星载ScanSAR成像并行处理进行了详细的研究。首先，针对ScanSAR成像机制的特殊性，给出了基于传统主-从模式的并行实现流程。根据主-从模式的不足，该文提出了一种基于多节点-多进程的异步并行模式的星载ScanSAR并行处理的技术。实验结果表明，相对于传统的并行处理方法，该文所采用方法的成像时间得到了较好的改善，具有一定的优越性。Abstract: This paper investigates the parallel processing of spaceborne ScanSAR in detail. Firstly, it analyzes the character of ScanSAR imaging and gives the parallel processing flow based on the traditional Host-Slave (HS) mode. Then, a new parallel technology based on Multiple Node-Multiple Progress (MNMP) mode is proposed, it can improve the deficiency of HS mode. The simulation result indicates the parallel processing based on MNMP mode improves the imaging time. So the way is feasible and superiority.
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