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Proceedings Paper

Topographic map generation from the Shuttle Radar Topography Mission C-band SCANSAR interferometry
Author(s): Scott Hensley; Paul A. Rosen; Eric Gurrola
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Paper Abstract

A highly accurate global topographic map of the Earth's surface has been an elusive goal for at least three decades that may soon be achieved with the newly acquired Shuttle Radar Topographic Mission (SRTM) data. SRTM collected data for 99.97% of the Earth's landmass between -57 degree(s) and 60 degree(s) latitude during a 11 day mission in February, 2000. A modified version of the SIR-C radar that previously flew on the shuttle in 1994 augmented with a radar mounted on a 62 m boom was used to collect radar interferometric data at C (5.6 cm wavelength) and X (3 cm wavelength) bands. The C- band radar was operated in the SCANSAR mode in order to extend the swath width to 225 km, the minimal amount required to achieve contiguous coverage at the equator. This paper presents an overview of the new algorithms and techniques used to process the SCANSAR data to digital elevation maps. First results of topographic maps generated from the SRTM data are used to illustrate the techniques described in this paper.

Paper Details

Date Published: 21 December 2000
PDF: 11 pages
Proc. SPIE 4152, Microwave Remote Sensing of the Atmosphere and Environment II, (21 December 2000); doi: 10.1117/12.410596
Show Author Affiliations
Scott Hensley, Jet Propulsion Lab. (United States)
Paul A. Rosen, Jet Propulsion Lab. (United States)
Eric Gurrola, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 4152:
Microwave Remote Sensing of the Atmosphere and Environment II
Thomas T. Wilheit; Harunobu Masuko; Hiroyuki Wakabayashi, Editor(s)

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