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电子学报  2012 

SAR穿墙成像中墙体影响图像域补偿方法

DOI: 10.3969/j.issn.0372-2112.2012.07.022, PP. 1423-1428

Keywords: 穿墙成像,合成孔径雷达,电磁波折射,参数估计,图像滤波

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Abstract:

合成孔径雷达(SAR)穿墙成像中的关键问题是对墙体影响的补偿.而墙体参数通常为未知量,获得其值后才能进行补偿.本文在定量分析了墙体对墙后目标聚焦和定位影响的基础上,提出了一种图像域墙体影响补偿方法.该方法基于传统成像算法获得的图像及其滤波结果进行墙体参数估计,具有估计精度高和计算量小的优点.仿真结果验证了本文提出的方法能够实现墙后目标的精确聚焦和定位.

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