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Verification of TerraSAR-X System

Mittermayer, Josef and Younis, Marwan and Bräutigam, Benjamin and Fritz, Thomas and Kahle, Ralph and Metzig, Robert (2007) Verification of TerraSAR-X System. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2007-07-23 - 2007-07-27, Barcelona, Spain.

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In 2007 the TerraSAR-X the first German Radar satellite for scientific and commercial applications will be launched. The project is a public-private partnership between DLR and EADS Astrium GmbH. TerraSAR-X consists of a high resolution Synthetic Aperture Radar (SAR) at X-Band. The radar antenna is based on active phased array technology that operating in multiple SAR modes (Stripmap, ScanSAR and Spotlight) with various polarizations. The highly advanced instrument allows the active configuration of many different instrument parameters and settings. The pre-launch activities for the TerraSAR-X system include the preparation of a verification plan to be accomplished during the commissioning phase. The aim of this plan is to define a procedure including all sub-systems to ensure optimum end-products (SAR images). The procedure involves tasks such as calibration, characterization/verification of SAR-instrument, SAR system performance, orbit and attitude as well as product verification. Due to the complexity and re-configurability of the system it is not possible to verify all possible combinations and settings. This makes the verification plan construction and the scheduling of the individual activities a non-trivial task requiring expertise for both the complete system and detailed sub-system level. The paper starts by introducing the areas covered by the system verification plan. These are combined in a block diagram for the basic SAR product verification flow. A detailed description of the philosophy behind the system verification plan is given. This is crucial to ensure proper interaction and to avoid conflicts during the detailed planning. The overall system verification plan is used to derive the verification matrix which identifies the tasks required for SAR System and Product release during the commissioning phase. Specifically one bottom level outcome of this matrix are the commissioning phase data take and their sequence of acquisition. However, the matrix is also a driver for the development of the tools required for the evaluation/analysis of the data take measurements. The paper will present both the verification matrix as well as the overall commissioning phase schedule. First results and trends of the TerraSAR-X commissioning phase with respect to SAR system and SAR products verification will be presented. The paper gives an insight and is intended to be a valuable reference for the development of system verification strategies of state-of-the-art and future SAR systems.

Item URL in elib:https://elib.dlr.de/47841/
Document Type:Conference or Workshop Item (Speech)
Title:Verification of TerraSAR-X System
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:July 2007
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 4929-4932
Keywords:TerraSAR-X Verification
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Barcelona, Spain
Event Type:international Conference
Event Start Date:23 July 2007
Event End Date:27 July 2007
Organizer:IEEE Geoscience and Remote Sensing Society
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 Kalibration und Projektunterstützung (old)
Location: Bonn-Oberkassel , Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Microwaves and Radar Institute > Microwave Systems
Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Remote Sensing Technology Institute > SAR Signal Processing
Space Operations and Astronaut Training > GSOC-German Space Operations Center
Projektträger im DLR > Projektträger des BMBF für Arbeit und Technik
Deposited By: Mittermayer, Dr.-Ing. Josef
Deposited On:19 Mar 2008
Last Modified:24 Apr 2024 19:10

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