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摘要

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引用本文:

DOI:

10.11834/jrs.20119240

收稿日期:

2009-10-16

修改日期:

2010-10-22

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Envisat ASAR ScanSAR-Stripmap 干涉测量研究
北京大学 遥感与地理信息系统研究所,北京 100871
摘要:

分析了ScanSAR-Stripmap干涉测量的相位组成,指出其因非同步数据引起的特有相位项,并通过实验验证了该相位项的存在。提出一整套ScanSAR-Stripmap干涉测量方法,借助JPL开发的开源干涉测量软件ROI_PAC的相应模块实现干涉处理过程,重点解决了ScanSAR-Stripmap两种模式数据间的配准以及相干性的提高等问题。用Envisat ASAR数据验证了该方法的可行性。最后将实验结果同常规条带式干涉测量结果做了对比与分析,验证了该方法的正确性。

ScanSAR-Stripmap interferometry using Envisat ASAR data
Abstract:

This study analyzes the main phase contributions of ScanSAR-Stripmap interferometry and further points out the special component caused by unsynchronized echoes, which is then verifi ed in the experiment. The whole process of ScanSARStripmap interferometry has been proposed and implemented with the help of relating modules of the Repeat Orbit Interferometry Package (ROI_PAC) developed by Jet Propulsion Laboratory (JPL). Coregistration and improvement of coherence are solved emphatically. Finally, ScanSAR-Stripmap interferometry is realized using Envisat ASAR data and the results are compared with those of traditional Stripmap-Stripmap interferometry for validation.

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