Abstract
摘要: 该文针对大斜视SAR回波信号的大距离走动、小距离弯曲的特点，提出了一种将时域去走动和CS算法相结合的成像算法。首先在时域校正距离走动，然后在频域校正距离弯曲，最后通过几何校正完成目标成像。经过时域去走动处理后，距离向和方位向的耦合大大降低，不仅可适应大斜视角的成像要求，而且测绘带宽度也会增大。仿真结果表明，改进后的算法可满足大斜视角和较大测绘带宽度的成像要求。 关键词: 合成孔径雷达(SAR); 去距离走动; 大斜视角; CS成像算法
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