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

Home > Archive>Volume 31, Issue 3, 2012 >271-276

Block adjustment of InSAR images based on the combination of F.Leberl and interferometric models
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                        MA JingMA Jing
Key Laboratory of Technology in Geo-spatial Information Processing and Apploction System, Institute of Electronics, Chinese Academy of Sciences
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YOU Hong-JianYOU Hong-Jian
Key Laboratory of Technology in Geo-spatial Information Processing and Apploction System, Institute of Electronics, Chinese Academy of Sciences
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HU Dong-HuiHU Dong-Hui
Key Laboratory of Technology in Geo-spatial Information Processing and Apploction System, Institute of Electronics, Chinese Academy of Sciences
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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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Abstract:

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.

Key words:airborne InSAR; three-dimensional block adjustment; improved F.Leberl model; alternative and iterative algorithm; LDL’ split coefficient matrix method

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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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