Estimation Method for InSAR Interferometric Phase Based on Generalized Correlation Steering Vector

被引：12

作者：

Liao, Guisheng ^{[1
]}

Li, Hai ^{[2
]}

机构：

[1] Xidian Univ, Natl Lab Radar Signal Proc, Xian 710071, Peoples R China

[2] Civil Aviat Univ China, Tianjin Key Lab Adv Signal Proc, Tianjin 300300, Peoples R China

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2010年 / 46卷 / 03期

关键词：

SYNTHETIC-APERTURE RADAR; MULTIBASELINE INSAR; SUBSPACE PROJECTION; COREGISTRATION; IMAGES;

D O I：

10.1109/TAES.2010.5545196

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

We propose a new method, based on the generalized correlation steering vector, to estimate synthetic aperture radar interferometry (InSAR) interferometric phase. In this method the generalized correlation steering vector with a large coregistration error is determined according to the joint data vector. The generalized correlation steering vector is then used to estimate the InSAR interferometric phase. The method can simultaneously auto-coregister the synthetic aperture radar (SAR) images and reduce the interferometric phase noise. Theoretical analysis and computer simulation results show that the method can provide an accurate estimate of the terrain interferometric phase (interferogram), even if the coregistration error reaches one pixel.

引用

页码：1389 / 1403

页数：15

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