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-  2015 

机载SAR图像无控制点直接定位方法
A direct location method for air-borne SAR image without ground control points

DOI: 10.7523/j.issn.2095-6134.2015.04.016

Keywords: 合成孔径雷达,目标定位,大地主题解算,最优化方法
synthetic aperture radar (SAR)
,target location,solution of geodetic problem,optimization

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Abstract:

摘要 提出一种机载合成孔径雷达(SAR)图像无控制点定位方法.该方法利用SAR图像辅助数据中的相关参数,依据大地坐标系其中一点的地理坐标以及两点之间的距离-方位关系进行直接的大地主题解算,将SAR图像定位问题转换为大地主题解算问题,实现直接定位.对影响定位精度的系统误差因素进行仿真分析.利用实际的机载SAR数据进行目标定位实验,结果验证了该方法的有效性.

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