Remote topographic sensing using polarimetric SAR data

Dale L. Schuler; Thomas L. Ainsworth; Jong-Sen Lee; Mitchell R. Grunes; Gianfranco D. de Grandi

doi:10.1117/12.278955

23 December 1997 Remote topographic sensing using polarimetric SAR data

Dale L. Schuler, Thomas L. Ainsworth, Jong-Sen Lee, Mitchell R. Grunes, Gianfranco D. de Grandi

Proceedings Volume 3120, Wideband Interferometric Sensing and Imaging Polarimetry; (1997) https://doi.org/10.1117/12.278955
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A new remote sensing technique using polarimetric synthetic aperture radar (SAR) data has been developed which can measure terrain slopes in the azimuthal, or along-track, direction. Terrain elevation maps can then be generated by integrating these slopes. The processing of both single- pass, and orthogonal two-pass, datasets is investigated. When single-pass SAR data is used elevation groundtruth must be available for at least one point of each profile formed in the azimuthal direction. When orthogonal two-pass slope data is employed, the elevation surface may be generated as an iterative solution of the Poisson equation and only a single elevation tie-point is required. The study presented uses orthogonal two-pass NASA/JPL AIRSAR P-band data as a test of the Poisson equation approach for an area in Death Valley National Park, California. The orthogonal two-pass results have been compared with a co-registered, conventional, U.S. Geological Survey product. Technique accuracy and potential applications are discussed.

Citation Download Citation

Dale L. Schuler, Thomas L. Ainsworth, Jong-Sen Lee, Mitchell R. Grunes, and Gianfranco D. de Grandi "Remote topographic sensing using polarimetric SAR data", Proc. SPIE 3120, Wideband Interferometric Sensing and Imaging Polarimetry, (23 December 1997); https://doi.org/10.1117/12.278955

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KEYWORDS

Polarimetry

Synthetic aperture radar

Backscatter

Interferometric synthetic aperture radar

Remote sensing

Scattering

Polarization

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