SPECKLE STATISTICS AND LONG-TERM COHERENT SAR INTERFEROGRAMS

被引：1

作者：

Parizzi, Alessandro ^{[1
]}

机构：

[1] German Aerosp Ctr DLR, Remote Sensing Technol Inst, D-82234 Oberpfaffenhofen, Germany

来源：

2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年

关键词：

SAR Interferometry; Speckle Statistics;

D O I：

10.1109/IGARSS.2012.6352052

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

One of the main limitations that affects DInSAR measures is the degradation of the phase quality due the changes occuring in the radar resolution cell. Nevertheless it has been observed that in some areas the phase decorrelation process saturates to an amount of coherence normally quite small but not negligible. This behavior can not always be explained with a point target model as far as the interested areas sometimes are not characterized by man-made features and the characteristics change radically with the wavelength. In this paper a method to identify this areas from a relative small amount of SAR acquisitions is proposed. The the results are compared with the residual coherence measured in a test sites acquired in X, C and L band.

引用

页码：5590 / 5593

页数：4

共 21 条

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