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Independent Verification of the Sentinel-1A System Calibration

Schwerdt, Marco and Schmidt, Kersten and Tous Ramon, Núria and Castellanos Alfonzo, Gabriel and Döring, Björn and Zink, Manfred and Prats, Pau (2016) Independent Verification of the Sentinel-1A System Calibration. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 9 (3), pp. 994-1007. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/JSTARS.2015.2449239. ISSN 1939-1404.

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Abstract

In the frame of the GMES program, the main objective of the Sentinel-1 mission is to ensure the continuity of SAR data ac- quisitions in C-band for global earth monitoring. Sentinel-1A is the first of two C-band satellites launched in April 2014. In addition to the commissioning of Sentienl-1A executed by ESA, an independent verification of the system calibration has been executed. For this purpose, the complete calibration chain was developed and established by DLR, starting with a calibration concept, a detailed in-orbit calibration plan, the SW-tools for analyzing and evaluating all the measurements up to the calibration targets serving as accurate reference. Based on an efficient calibration strategy, this paper describes the different activities performed by DLR and presents the results obtained during the commissioning phase of Sentinel- 1A.

Item URL in elib:https://elib.dlr.de/93086/
Document Type:Article
Additional Information:©2009 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:Independent Verification of the Sentinel-1A System Calibration
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schwerdt, MarcoUNSPECIFIEDUNSPECIFIED
Schmidt, KerstenUNSPECIFIEDUNSPECIFIED
Tous Ramon, NúriaUNSPECIFIEDUNSPECIFIED
Castellanos Alfonzo, GabrielUNSPECIFIEDUNSPECIFIED
Döring, BjörnUNSPECIFIEDUNSPECIFIED
Zink, ManfredUNSPECIFIEDUNSPECIFIED
Prats, PauUNSPECIFIEDUNSPECIFIED
Date:March 2016
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:Vol 9
DOI :10.1109/JSTARS.2015.2449239
Page Range:pp. 994-1007
Editors:
EditorsEmailEditor's ORCID iD
The Institute of Electrical Electronics Engineers, IEEEUNSPECIFIEDUNSPECIFIED
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Series Name:Special Issue on Synthetic Aperture Radar (SAR) – New Techniques, Missions and Applications
ISSN:1939-1404
Status:Published
Keywords:Sentinel-1, Copernicus, SAR System Calibration, Antenna Model Verififcation, Internal Calibration, Transmit/Receiver Modules (TRM), Radiometric Accuracy and Stability, Geometric Calibration, Antenna Pattern, Antenna Pointing Determination, Radiometric Calibration, Corner Reflector, Transponder
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 Expert Support Lab
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Schwerdt, Dr.-Ing. Marco
Deposited On:04 Dec 2014 09:28
Last Modified:19 Nov 2021 20:28

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