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Switchover to the Redundant SAR Instrument Chain on the TanDEM-X Satellite

Steinbrecher, Ulrich and Kraus, Thomas and Klenk, Patrick and Grigorov, Christo and Böer, Johannes (2021) Switchover to the Redundant SAR Instrument Chain on the TanDEM-X Satellite. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. European Conference on Synthetic Aperture Radar (EUSAR), 2021-03-29 - 2021-04-01, Leipzig, Germany. ISSN 2197-4403.

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Abstract

TanDEM-X (TDX-1) is a German radar satellite launched in 2010 which serves the TerraSAR-X and TanDEM-X missions together with its companion TerraSAR-X (TSX-1), launched in 2007. This paper describes the activities performed in July 2019 to switch TDX-1 from operationally using the nominal SAR instrument chain to the corresponding redundant unit. First, the steps from failure isolation until back again in operation are described.. Necessary tests of the on-board functions which are preventing the mutual illumination between the two satellites flying in close formation are detailed and finally the first datatake acquired with the TDX-1 redundant instrument chain is shown.

Item URL in elib:https://elib.dlr.de/133978/
Document Type:Conference or Workshop Item (Speech)
Title:Switchover to the Redundant SAR Instrument Chain on the TanDEM-X Satellite
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Steinbrecher, UlrichUlrich.Steinbrecher (at) dlr.dehttps://orcid.org/0000-0002-3704-3886
Kraus, ThomasT.Kraus (at) dlr.dehttps://orcid.org/0000-0002-9486-7371
Klenk, PatrickPatrick.Klenk (at) dlr.deUNSPECIFIED
Grigorov, ChristoChristo.Grigorov (at) dlr.dehttps://orcid.org/0000-0003-1501-1469
Böer, JohannesJohannes.Boeer (at) dlr.dehttps://orcid.org/0000-0003-0992-7032
Date:April 2021
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISSN:2197-4403
Status:Accepted
Keywords:SAR, TerraSAR-X, TanDEM-X, TSX-1, TDX-1, Redundancy
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Leipzig, Germany
Event Type:international Conference
Event Dates:2021-03-29 - 2021-04-01
Organizer:VDE ITG
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 - TSX/TDX Mission Operations
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Steinbrecher, Ulrich
Deposited On:27 Feb 2020 16:20
Last Modified:29 Mar 2021 22:20

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