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First measurement results of a new highly-accurat SAR calibration target

Jirousek, Matthias and Döring, Björn and Looser, Philipp and Schwerdt, Marco (2012) First measurement results of a new highly-accurat SAR calibration target. In: International Geoscience and Remote Sensing Symposium (IGARSS), pp. 1-3. IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2012-07-23 - 2012-07-27, Munich, Germany. doi: 10.1109/IGARSS.2012.6351219.

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Abstract

The requirements on new spaceborne synthetic aperture radar (SAR) missions are always pushed towards better image quality with respect to signal-to-noise ratio, radiometric accuracy, and spatial resolution. An accurate radiometric calibration of the whole SAR system is crucial to cope with the demand on high image quality. Among other factors, the quality of the calibration depends on the utilized reference targets. Also permanent system monitoring, onboard and by reference targets, is required to guaranty the image quality over the whole mission time. In this paper a new highly-accurate active calibration target (transponder) is presented. The device is currently under development in the DLR-project “Kalibri” [1] and features remote control and alignment as well as an improved internal calibration for stable operation. Furthermore, first representative measurement results could be achieved by acquiring TerraSAR X images.

Item URL in elib:https://elib.dlr.de/76458/
Document Type:Conference or Workshop Item (Speech)
Additional Information:©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:First measurement results of a new highly-accurat SAR calibration target
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Jirousek, MatthiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Döring, BjörnUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Looser, PhilippUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwerdt, MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:24 July 2012
Journal or Publication Title:International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.1109/IGARSS.2012.6351219
Page Range:pp. 1-3
Publisher:IEEE
Status:Published
Keywords:SAR, calibration, active target, transponder
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:2012-07-23 - 2012-07-27
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt TerraSAR-X Kalibration und Projektunterstützung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Jirousek, Dr.-Ing. Matthias
Deposited On:17 Jul 2012 11:55
Last Modified:11 Aug 2023 12:27

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