Patent · US Expired

Airborne SAR system for determining the topography of a terrain

US5489907A · kind A · utility

19Cited by

7References

3Claims

0Family size

Assignee

Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.V. · DE

Inventors

Manfred Zink · Weßling, DE
Herwig ttl · Germering, DE
Anthony Freeman · Washington, US

Key dates

Filing date	Sep 23, 1994
Grant date	Feb 6, 1996
Priority date	—
Expiry date	Sep 23, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG01S13/935
WIPO fieldMeasurement
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.