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A Compact Antenna Rotation Concept for Precise Polarimetric SAR Calibration Transponders

Rudolf, Daniel and Döring, Björn and Jirousek, Matthias and Reimann, Jens and Schwerdt, Marco (2016) A Compact Antenna Rotation Concept for Precise Polarimetric SAR Calibration Transponders. European Conference on Synthetic Aperture Radar (EUSAR), 2016-06-09 - 2016-06-12, Hamburg, Germany.

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Abstract

For recent and upcoming spaceborne SAR missions based on compact or full polarimetric operation modes, the calibration of these SAR systems becomes more and more complex. In order to reduce the number of reference targets used during the calibration phase it is essential to use polarimetric active radar calibrators – PARC offer-ing a flexible scattering matrix. This Paper presents the comparison of two different antenna rotation concepts suitable for the development of precise polarimetric calibration transponders. After a review of the well-proven waveguide approach a novel cable-based approach is introduced and followed by measurement results showing the achieved performance in terms of magnitude and phase stability.

Item URL in elib:https://elib.dlr.de/107810/
Document Type:Conference or Workshop Item (Speech)
Title:A Compact Antenna Rotation Concept for Precise Polarimetric SAR Calibration Transponders
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rudolf, DanielUNSPECIFIEDhttps://orcid.org/0000-0002-1722-2430
Döring, BjörnUNSPECIFIEDhttps://orcid.org/0000-0002-4257-1413
Jirousek, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0003-2106-9245
Reimann, JensUNSPECIFIEDhttps://orcid.org/0000-0002-0650-9073
Schwerdt, MarcoUNSPECIFIEDUNSPECIFIED
Date:2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:SAR, Transponder, calibration, polarization
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:2016-06-09 - 2016-06-12
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:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Rudolf, Daniel
Deposited On:16 Nov 2016 10:57
Last Modified:16 Nov 2016 10:57

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