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自动聚焦是高分辨率合成孔径雷达(SAR)中的一项重要技术.如果进行实时成象,就要求自动聚焦算法有很高的计算效率.移位相关法(Shift-and-Correlate SAC)就是这样一种算法.它最先是由Jorgen在1991年提出的,本文深入分析了这种算法,并对它进行了改进.
Autofocus is an important technique in high-resolution synthetic aperture radars (SARs), requiring high computational efficiency of autofocus algorithms for real-time imaging. The Shift-and-Correlate SAC An algorithm of this kind, first proposed by Jorgen in 1991, this article in-depth analyzes this algorithm and improves it.