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RCS Determination of Reference Targets down to 0.1 dB Uncertainty

Reimann, Jens and Büchner, Anna Maria and Raab, Sebastian and Jirousek, Matthias and Weidenhaupt, Klaus Frank and Schwerdt, Marco (2022) RCS Determination of Reference Targets down to 0.1 dB Uncertainty. 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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For external radiometric calibration of SAR sensors, active radar calibrators (ARCs), well known as transponders, are often employed due to their high radar cross section (RCS) compared to their size. Due to their complexity, the transponder hardware has to be calibrated itself before it can be used as a reference target, for which the so-called three transponder method was developed at DLR. This innovative technique does not require any external standard and is used in this manuscript to calibrate a single transponder with yet unreached accuracy. The calibration technique, measurement setup, and data processing as well as the uncertainty evaluation will be presented.

Item URL in elib:https://elib.dlr.de/145737/
Document Type:Conference or Workshop Item (Speech, Poster)
Title:RCS Determination of Reference Targets down to 0.1 dB Uncertainty
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Reimann, JensUNSPECIFIEDhttps://orcid.org/0000-0002-0650-9073UNSPECIFIED
Büchner, Anna MariaUNSPECIFIEDhttps://orcid.org/0000-0002-3827-7932UNSPECIFIED
Jirousek, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0003-2106-9245UNSPECIFIED
Weidenhaupt, Klaus FrankUNSPECIFIEDhttps://orcid.org/0000-0003-2160-8018UNSPECIFIED
Schwerdt, MarcoUNSPECIFIEDhttps://orcid.org/0000-0002-0045-3726UNSPECIFIED
Date:27 July 2022
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:SAR Calibration; RCS; Transponder; ARC; Calibration
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:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Reimann, Jens
Deposited On:10 May 2022 11:04
Last Modified:13 Jan 2023 14:45

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