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- 2017
基于史赖伯规则的机载InSAR区域网平差
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Abstract:
采用区域网平差的方法进行合成孔径雷达干涉测量（interferometric synthetic aperture radar，InSAR）干涉参数定标，是减小大区域、多个干涉像对重叠处反演高程差异的有效方法。为了提高InSAR区域网平差的答解效能，设计一种利用史赖伯规则的机载InSAR区域网平差干涉参数定标方法。该方法利用史赖伯规则，由连接点误差方程式构建等效误差方程式，可有效减小法方程系数矩阵大小，降低对计算机配置的要求，提高平差的答解效能。采用我国机载双天线InSAR数据进行干涉参数定标试验，改化前后两种方案，干涉参数定标结果没有明显变化，改化后的平差耗时均值减小了，验证了利用史赖伯规则的机载InSAR区域网平差干涉参数定标的正确性和有效性
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