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DLR's next generation of multi-band transponders for the calibration of fully polarimetric SAR mission

Weidenhaupt, Klaus Frank and Reimann, Jens and Schwerdt, Marco and Raab, Sebastian and Büchner, Anna Maria and Jirousek, Matthias (2022) DLR's next generation of multi-band transponders for the calibration of fully polarimetric SAR mission. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. European Conference on Synthetic Aperture Radar (EUSAR), 2022-07-25 - 2022-07-27, Leipzig, Germany. ISSN 2197-4403.

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Since more than 25 years, DLR is playing a key role in the calibration of modern space borne SAR systems. With their high radiometric accuracy and operational flexibility, DLR’s in house-developed calibration transponders, also referred to as active radar calibrators (ARCs), have become a cornerstone of these calibration activities. With upcoming SAR instruments, low frequencies (L-band), high bandwidths and fully polarimetric acquisitions come into play and introduce new challenges to the design of calibration transponders. For this propose, DLR has developed an entirely new tran- sponder concept, a polarimetric active radar calibrator (PARC), which operates both in L- and X-band and supports fully polarimetric acquisitions with an outstanding accuracy. We discuss the potential and challenges of PARCs for the calibration of future SAR missions such as ROSE-L and HRWS. We then introduce the overall concept and the design of various newly developed subsystems of our prototype transponder, which is currently being assembled in our lab.

Item URL in elib:https://elib.dlr.de/186430/
Document Type:Conference or Workshop Item (Speech)
Title:DLR's next generation of multi-band transponders for the calibration of fully polarimetric SAR mission
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Weidenhaupt, Klaus FrankUNSPECIFIEDhttps://orcid.org/0000-0003-2160-8018UNSPECIFIED
Reimann, JensUNSPECIFIEDhttps://orcid.org/0000-0002-0650-9073UNSPECIFIED
Schwerdt, MarcoUNSPECIFIEDhttps://orcid.org/0000-0002-0045-3726UNSPECIFIED
Raab, SebastianUNSPECIFIEDhttps://orcid.org/0000-0003-4902-5551UNSPECIFIED
Büchner, Anna MariaUNSPECIFIEDhttps://orcid.org/0000-0002-3827-7932UNSPECIFIED
Jirousek, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0003-2106-9245UNSPECIFIED
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 ISI Web of Science:No
Keywords:Transponder, Synthetic Aperture Radar, SAR, Radar, Satellite, Calibration, Polarimetric
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Leipzig, Germany
Event Type:international Conference
Event Dates:2022-07-25 - 2022-07-27
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 - SAR missions
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Weidenhaupt, Dr.rer.nat Klaus Frank
Deposited On:16 May 2022 06:26
Last Modified:13 Jan 2023 15:14

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