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Remote Sensing Technology and Application  2010, Vol. 25 Issue (3): 399-403    DOI: 10.11873/j.issn.1004-0323.2010.3.399
article     
Error Analysis of Baseline,Phase and Atmosphere Delay in InSAR Data Processing
ZHANG Ya-li ,YOU Yang-sheng,LAN Jing-song
College of Civil Engineering,Chongqing University,Chongqing 400045,China
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Abstract  

Based on the basic principles of InSAR,we can draw the following conclusions:an inverse proportion relation exists between errors of baseline,phase and atmosphere delay and length of effective baseline in terms of height measurement; atmosphere delay error impact on two\|pass deformation measurement changes little with incidence angle difference,and its impact on three-pass deformation measurement changes little with baseline ratio.When incidence angle is 23°and baseline ration 1/2,if we let its impact on deformation error less than 1 cm,atmosphere delay error must be less than 6.5 mm for two\|pass DInSAR and 7.5 mm for three-pass DInSAR.

Key words:  Atmosphere delay      Error analysis     
Published:  20 October 2010
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ZHANG Ya-li
YOU Yang-sheng
LAN Jing-song

Cite this article: 

ZHANG Ya-li, YOU Yang-sheng, LAN Jing-song. Error Analysis of Baseline,Phase and Atmosphere Delay in InSAR Data Processing. Remote Sensing Technology and Application, 2010, 25(3): 399-403.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2010.3.399     OR     http://www.rsta.ac.cn/EN/Y2010/V25/I3/399

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