Block adjustment of InSAR images based on the combination of F.Leberl and interferometric models

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Block adjustment of InSAR images based on the combination of F.Leberl and interferometric models
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Affiliation:Institute of Electronics, Chinese Academy of Sciences,Institute of Electronics, Chinese Academy of Sciences,Institute of Electronics, Chinese Academy of Sciences
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为解决西部测图中缺少控制点的问题，提出了一种新的干涉合成孔径雷达（InSAR）影像区域网平差方法.该方法将F.Leberl模型与干涉测量模型相结合，并采用交替趋近与LDL’稀疏矩阵分解技术求解大规模法方程.实验结果表明，与传统的基于F.Leberl模型的平差方法相比较，提出的方法精度更高.由于新模型中增加了三个定标参数，因此能够同时实现多航带幅度图像以及数字高程模型（DEM）的联合平差.最后结合实际机载InSAR系统参数对影响平差精度的因素进行了详细的分析.

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MA Jing, YOU Hong-Jian, HU Dong-Hui. Block adjustment of InSAR images based on the combination of F. Leberl and interferometric models[J]. Journal of Infrared and Millimeter Waves,2012,31(3):271~276

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Received:December 08,2010
Revised:June 12,2011
Adopted:June 16,2011
Online: July 02,2012
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