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Research on Land Subsidence Monitoring in Coal Mining Area Using Time Series Spaceborne InSAR Technology

Author: HeJianGuo
Tutor: GuoDaZhi
School: Beijing
Course: Photogrammetry and Remote Sensing
Keywords: Spaceborne radar interferometry SAR Coal mining area subsidence monitoring Spatial baseline refined estimates Leveling GPS measurements Cross-validation
CLC: P642.26
Type: PhD thesis
Year: 2010
Downloads: 461
Quote: 1
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Abstract


This article discusses the use of spaceborne SAR interferometry for ground subsidence research basic theory, technical approach and its implementation . Systems analysis to study the use of multi-source , multi-temporal interferometric SAR data mining ground subsidence monitoring should address some of the key technical issues , including the for some SAR satellite orbit data is inaccurate , the use of spatial baseline estimated and geometric registration method, emplaced in the coal mine production level point and corner reflectors , precision leveling and GPS measurements , combined with spaceborne differential interferometry for a variety of technical synergy in monitoring ground subsidence and underground mining production status were analyzed . Test research results in the Fengfeng Mining Area spaceborne radar differential interferometry and GPS measurements , leveling three different techniques , ground subsidence monitoring mine location, extent and accuracy is basically the same , and three who can play the role of mutual authentication ; better than the C-band measurements in the spaceborne radar differential coherence poor in some areas , the measurement results of the L -band ; spaceborne radar interferometry measurement to ground subsidence monitoring situation ( position the interactive synergy and the subsidence volume ) with underground mining activities progress , consistent rate of about 90 % .

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CLC: > Astronomy,Earth Sciences > Geology > Hydrogeology and Engineering Geology > Engineering Geology > The geological and engineering geological > Land subsidence
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