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Techniques for High Accuracy Relative and Absolute Localization of TerraSAR-X / TanDEM-X Data

Balss, Ulrich and Eineder, Michael and Fritz, Thomas and Breit, Helko and Minet, Christian (2011) Techniques for High Accuracy Relative and Absolute Localization of TerraSAR-X / TanDEM-X Data. IGARSS 2011, 24.-29. Juli 2011, Vancouver, Kanada.

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The German SAR (synthetic aperture radar) satellites TSX-1 and TDX-1 outperform former civilian space-borne radar sensors in terms of geometric accuracy. Recently, both satellites constitute the first bistatic SAR system in space: Tan-DEM-X. With the high geometric accuracy of both satellites, the geolocation of ground targets has to accurately consider signal propagation effects and geodynamic effects which formerly were negligible. The prediction of expected radar positions is additionally complicated by the bistatic acquisition geometry of TanDEM-X. Here, we present our approach to cope with these demanding requirements. With the application of these techniques, measurements of the geometric accuracy of TSX-1 and TDX-1 reveal that their pixel localization accuracy is significantly better than in previous studies.

Item URL in elib:https://elib.dlr.de/70647/
Document Type:Conference or Workshop Item (Speech)
Title:Techniques for High Accuracy Relative and Absolute Localization of TerraSAR-X / TanDEM-X Data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Balss, Ulrichulrich.balss (at) dlr.deUNSPECIFIED
Eineder, MichaelMichael.Eineder (at) dlr.deUNSPECIFIED
Fritz, Thomasthomas.fritz (at) dlr.deUNSPECIFIED
Breit, HelkoHelko.Breit (at) dlr.deUNSPECIFIED
Minet, Christianchristian.minet (at) dlr.deUNSPECIFIED
Date:July 2011
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:synthetic aperture radar (SAR), bistatic SAR, pixel localization accuracy, geodesy
Event Title:IGARSS 2011
Event Location:Vancouver, Kanada
Event Type:international Conference
Event Dates:24.-29. Juli 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Balss, Dr. Ulrich
Deposited On:16 Aug 2011 07:46
Last Modified:31 Jul 2019 19:32

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