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In-Orbit SAR Performance of TerraSAR-X

Marquez-Martinez, Jose and Gonzalez, Carolina and Younis, Marwan and Wollstadt, Steffen and Metzig, Robert and Steinbrecher, Ulrich and Tous-Ramon, Nuria and Meta, Adriano and Mittermayer, Josef (2007) In-Orbit SAR Performance of TerraSAR-X. In: Proceedings of IEEE Geoscience and Remote Sensing Symposium (IGARSS), p. 1. IEEE. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2007-07-23 - 2007-07-27, Barcelona, Spain.

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TerraSAR-X is the first German Radar satellite for scientific and commercial applications. The project is a public-private partnership between DLR and EADS Astrium GmbH. TerraSAR-X consists of a high resolution Synthetic Aperture Radar at X-Band. The radar antenna is based on active phased array technology that allows the control of many different instrument parameters and operational modes (Stripmap, ScanSAR and Spotlight) with various polarizations. Following the TerraSAR-X launch, scheduled for February 2007, it is planned a six month Commissioning Phase covering the characterization and verification of the SAR mission. Within this phase, the Overall SAR System Performance (OSSP) takes care of the correct working and interaction of all SAR system elements essential for obtaining an optimum SAR Performance. The paper covers the first in-orbit characterization and verification results of the SAR system performance for TerraSAR-X operational and experimental modes. This characterization is divided into four phases: Initial Characterization, Scene Characterization –both mostly based on basic and experimental products-, and Verification of TS-X Instrument Command Generation. The different optimization strategies and performance trade-offs are discussed and presented in the paper, including very first TerraSAR-X images. The result of the real SAR data analysis determines the final system baseline and thus the final image quality, e.g. Temperature compensation, Total Zero Doppler Steering, Up/down chirp toggling, transmitted bandwidth, timing interferences, etc. The first section of the paper introduces the activities carried out during the Commissioning Phase for the TerraSAR-X SAR system performance characterization/verification. In the second section, the strategies for the performance optimization and characterization are presented. Finally, the in-orbit SAR performance results are given in section three.

Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information:©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:In-Orbit SAR Performance of TerraSAR-X
AuthorsInstitution or Email of Authors
Marquez-Martinez, JoseUNSPECIFIED
Gonzalez, CarolinaUNSPECIFIED
Wollstadt, SteffenUNSPECIFIED
Steinbrecher, UlrichUNSPECIFIED
Tous-Ramon, NuriaUNSPECIFIED
Mittermayer, JosefUNSPECIFIED
Date:July 2007
Journal or Publication Title:Proceedings of IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
In ISI Web of Science:No
Page Range:p. 1
Keywords:SAR, TerraSAR-X, space-borne
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Barcelona, Spain
Event Type:international Conference
Event Dates:2007-07-23 - 2007-07-27
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 TerraSAR-X Missionsbetrieb (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Carolina Gonzalez
Deposited On:20 Aug 2007
Last Modified:12 Dec 2013 20:23

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