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TanDEM-X Bistatic SAR Processing

Balss, Ulrich and Niedermeier, Andreas and Breit, Helko (2010) TanDEM-X Bistatic SAR Processing. EUSAR 2010, 7.-10. Juni 2010, Aachen, Deutschland.

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Abstract

In June, 2010 the German SAR satellite TanDEM-X (TerraSAR-X-Add-on for Digital Elevation Measurements) will be launched. Together with TerraSAR-X, launched June 15, 2007, it will form the first spaceborne bistatic SAR platform. Usually one of the satellite is transmitting (active satellite), while both are receiving. As both satellites fly in a helix orbit constellation, during a recording a satellite has to be passive, if the other one is close to the line of sight to the observation target at the moment of observation in order not to destroy the instruments of the other satellite, in other words they change their roles along the orbit. Even tiny differences in the instruments of both satellites can yield huge effects on final products. Within this paper we present the approaches of correcting thus differences. In the first part we explain, what variances in the satellite hardware are expected and how they are determined. In the second part we show, how the SAR processing copes with those differences.

Document Type:Conference or Workshop Item (Poster)
Title:TanDEM-X Bistatic SAR Processing
Authors:
AuthorsInstitution or Email of Authors
Balss, Ulrichulrich.balss@dlr.de
Niedermeier, Andreasandreas.niedermeier@dlr.de
Breit, Helkohelko.breit@dlr.de
Date:7 June 2010
Refereed publication:No
Page Range:pp. 751-753
Status:Published
Keywords:bistatic SAR processing
Event Title:EUSAR 2010
Event Location:Aachen, Deutschland
Event Type:international Conference
Event Dates:7.-10. Juni 2010
Organizer:VDE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Dr. Ulrich Balss
Deposited On:17 Jun 2010 08:08
Last Modified:21 Mar 2014 09:17

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