收稿日期: 2010-07-23
修回日期: 2010-11-12
网络出版日期: 2011-07-15
基金资助
国家部委预研基金(8205-08)资助
Systematic model and errors analysis for distributed satellites SAR system based on three-dimensional reconstruction model
Received date: 2010-07-23
Revised date: 2010-11-12
Online published: 2011-07-15
胡继伟 , 洪峻 . 基于三维重建的分布式卫星SAR干涉测高模型及误差分析[J]. 中国科学院大学学报, 2011 , 28(4) : 489 -497 . DOI: 10.7523/j.issn.2095-6134.2011.4.010
We analyse the systematic model and working principle of distributed satellites SAR system based on three-dimensional reconstruction principle of InSAR system and present a complete closed-form solution to the three-dimensional geo-location of targets. Meanwhile we analyse the main error sources, baseline error and interferometric phase error, which influence the precision of digital elevation models (DEM) acquisition. Finally, simulations are made for analyses of the characteristics of baseline error and interferometric phase error, which provides a basis for calibration and correction of systematic parameters.
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