NDLI: Analyzing Decorrelation of Multi-temporal SAR Data on InSAR

Content Provider	IEEE Xplore Digital Library
Author	Bingyuan Hao Chao Ma Guifang Zhang Lixun Kang
Copyright Year	2008
Description	Author affiliation: Sch. of Min. Eng., Taiyuan Univ. of Technol., Taiyuan (Bingyuan Hao)
Abstract	Coherence is an important parameter, which appraises quality of topical interferometery fringe and reflects the volume scatter information in InSAR. So it is important for generation of DEM, classification of surface features, estimation of backscatter layers, and quality of differential interferometery processing. In this paper, all kinds of factors, such as spatial and temporal decorrelation, thermal decorrelation, coregistraion decorrelation, Doppler decorrelation, influences on the coherence during InSAR processing are expatiated. Based on the practice of interferometery processing to 28 SAR images coming from Ms8.1 serious earthquake area which located in KUNLUN mountains West-pass bordering QINGHAI and XIZANG province in $14^{th}$ Dec, 2001; and 5 SAR images coming from Ms7.9 serious earthquake area which located in Tibet North MANI region in $8^{th}$ Nov., 1997; and 8 cog-nominal ERS-1/2 SAR images of environmental investigation on DATONG Jurassic & Carboniferous period coalfield subsidence by InSAR technology during 1992 to 2003, and influencing degree of these factors on InSAR processing are analyzed. Moreover, laws of decorrelation are concluded and some suggestions for reducing the decorrelation are brought forward.
Starting Page	452
Ending Page	461
File Size	6324774
Page Count	10
File Format	PDF
ISBN	9780769531199
DOI	10.1109/CISP.2008.383
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Earthquake engineering coherence SAR InSAR Data engineering Synthetic aperture radar interferometry Antenna accessories ERS-1/2 Image analysis Thermal factors Receiving antennas Signal processing Radar scattering decorrelation Decorrelation
Content Type	Text
Resource Type	Article

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