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Remote Sensing Technology and Application  2009, Vol. 24 Issue (3): 291-296    DOI: 10.11873/j.issn.1004-0323.2009.3.291
Experimental Investigation on Generating Digital Elevation |Model of Highly Mountainous Area withERS-1/2 Tandem Radar Interferometry
LUO Xiao-jun,HUANG Ding-fa,LIU Guo-xiang
(Department of Surveying Engineering,School of Civil Engineering,Southwest JiaotongUniversity,Chengdu 610031,China)
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Taking a localized area in Kunlun Mountain as an example,the digital elevation model (DEM) in the highly mountainous area is effectively generated with ERS-1/2 tandem radar interferometry.The accuracy of the achieved DEM is assessed statistically by taking SRTM DEM and USGS GTOPO30 DEM as the benchmark.The main reason affecting the accuracy of interferometry with ERS tandem radar is discussed.The experimental results show that ERS tandem radar interferometry can be used to successfully extract DEMs for highly mountainous areas.It is therefore recommended that ERS tandem radar interferometry might be applied to generate or update DEMs for the western parts of China.

Key words:  Tandem radar interferometry      Highly mountainous area      DEM      Accuracy assessment      Correction     
Received:  02 September 2008      Published:  20 January 2010
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LUO Xiao-jun,HUANG Ding-fa,LIU Guo-xiang. Experimental Investigation on Generating Digital Elevation |Model of Highly Mountainous Area withERS-1/2 Tandem Radar Interferometry. Remote Sensing Technology and Application, 2009, 24(3): 291-296.

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