Airborne SAR system for determining the topography of a terrain

Details Airborne SAR system for determining the topography of a terrain Airborne SAR system for determining the topography of a terrain

1994-09-23

1996-02-06

Pihulic, Daniel T.

Communications: directive radio wave systems and devices (e.g.,

Synthetic aperture radar

G01S 1390

Patent

active

054899079

ABSTRACT:
In an airborne SAR system for determining the topography of a terrain, two complete, correlated SAR images with different amplitude modulation in the cross-track direction are obtained and recorded by switching of two antenna patterns which can be generated by means of a monopulse antenna. The desired terrain information is extracted from the amplitude relationship of the two SAR images.
It is furthermore possible to extract the terrain information from polarimetric SAR data via crosstalk parameters.

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patent: 4978960 (1980-12-01), Newcomb et al.
patent: 4978961 (1990-12-01), Williams et al.
patent: 5189424 (1993-02-01), Brown
patent: 5206708 (1993-11-01), Auterman
Zebker, Howard A. et al. "Topograhic Mapping from Interferometric Synthetic Aperture Radar Observations." Journal of Geophysical Research, vol. 91, No. B5, pp. 4993-4999, Apr. 10, 1986.
Goldstein, Richard M. "Satellite radar interfermoetry: Two-dimensional phase unwrapping." Radio Science, vol. 23, No. 4, pp. 713-720, Jul.-Aug. 1988.

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