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Development and Implementation of an Efficient Temperature Management System for SAR System Calibration Transponders

Raab, Sebastian (2016) Development and Implementation of an Efficient Temperature Management System for SAR System Calibration Transponders. Master's, University of Applied Sciences Würzburg-Schweinfurt.

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Abstract

For the radiometric calibration of spaceborne synthetic aperture radar systems, active targets with known backscatter, so called transponders, are used. These serve as an external absolute reference, and the quality of the derived calibration parameters depends on the quality of the deployed transponders. Due to the temperature dependent behavior of the implemented active radio frequency components the transponder radar cross section is sensitive to the temperature of the components. This effect requires the implementation of a reliable and precise temperature management system to stabilize the temperature of the radio frequency components to a constant value under all relevant environmental conditions. In this master thesis an new temperature control concept is developed and analyzed with measurments in a climatic chamber in order to fulfill the increasing requirements for future transponders towards radiometric accuracy.

Item URL in elib:https://elib.dlr.de/102774/
Document Type:Thesis (Master's)
Title:Development and Implementation of an Efficient Temperature Management System for SAR System Calibration Transponders
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Raab, SebastianUNSPECIFIEDhttps://orcid.org/0000-0003-4902-5551
Date:April 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:86
Status:Published
Keywords:SAR, calibration, transponder, temperature control, temperature management concept
Institution:University of Applied Sciences Würzburg-Schweinfurt
Department:Faculty of Electrical Engineering/Electronics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - SAR-Missions
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Raab, M. Eng. Sebastian
Deposited On:01 Feb 2016 15:24
Last Modified:29 Aug 2016 07:35

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