Experimental Investigation on Generating Digital Elevation |Model of Highly Mountainous Area withERS-1/2 Tandem Radar Interferometry

doi:10.11873/j.issn.1004-0323.2009.3.291

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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Abstract

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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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2009.3.291 OR http://www.rsta.ac.cn/EN/Y2009/V24/I3/291

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