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Detection on Land Surface Deformation in Chongqing Area by D-InSAR

Author: LvLeZuo
Tutor: ChenShengBo
School: Jilin University
Course: Cartography and Geographic Information Systems
Keywords: Chongqing Synthetic Aperture Radar The three-track differential interferometry Surface deformation
CLC: TN958
Type: Master's thesis
Year: 2009
Downloads: 160
Quote: 1
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Abstract


Chongqing is one of China's four major geological disaster-prone areas . The city's geological disasters frequent and variety has been a serious threat to people's lives and property safety , influence and restrict the city's economic construction and social development . The application of synthetic aperture radar differential interferometry technology research and evaluation of surface subsidence Chongqing , has important scientific and practical significance . In this paper, on the basis of understanding the synthetic aperture radar interferometry imaging and its principles , analysis image registration and the main phase unwrapping algorithm combined with the data processing platform the DORIS details the three-track the differential interferometric measurement method . Chongqing region on April 7, 1996 , July 26, 1998 and 1998, 27 King ERS1 / 2 SAR image , for example , a three-track differential interferometric processing to extract the surface deformation . Finally, the study area in 1988 and 2000/ 2001 multi-temporal Landsat TM / ETM images , a comprehensive comparison and analysis of surface deformation .

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