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On the Processing of Very High Resolution Spaceborne SAR Data

Prats-Iraola, Pau and Scheiber, Rolf and Rodriguez-Cassola, Marc and Mittermayer, Josef and Wollstadt, Steffen and De Zan, Francesco and Bräutigam, Benjamin and Schwerdt, Marco and Reigber, Andreas and Moreira, Alberto (2014) On the Processing of Very High Resolution Spaceborne SAR Data. IEEE Transactions on Geoscience and Remote Sensing, 52 (10), pp. 6003-6016. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/TGRS.2013.2294353 ISSN 0196-2892

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Official URL: http://www.grss-ieee.org/menu.taf?menu=publications&detail=tgars

Abstract

This paper addresses several important aspects that need to be considered for the processing of spaceborne SAR data with resolutions in the decimeter range. In particular, it will be shown how the motion of the satellite during the transmission/reception of the chirp signal and the effect of the troposphere deteriorate the impulse response function if not properly considered. Further aspects that have been investigated include the curved orbit, the array pattern for electronically steered antennas, as well as considerations within the processing itself. For each aspect a solution is proposed, and the complete focusing methodology is expounded and validated using simulated point targets and staring spotlight data acquired by TerraSAR-X with 16 cm azimuth resolution and 300 MHz range bandwidth.

Item URL in elib:https://elib.dlr.de/86304/
Document Type:Article
Additional Information:©2014 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:On the Processing of Very High Resolution Spaceborne SAR Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Prats-Iraola, PauUNSPECIFIEDUNSPECIFIED
Scheiber, RolfUNSPECIFIEDUNSPECIFIED
Rodriguez-Cassola, MarcUNSPECIFIEDUNSPECIFIED
Mittermayer, JosefUNSPECIFIEDUNSPECIFIED
Wollstadt, SteffenUNSPECIFIEDUNSPECIFIED
De Zan, FrancescoUNSPECIFIEDUNSPECIFIED
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Schwerdt, MarcoUNSPECIFIEDUNSPECIFIED
Reigber, AndreasUNSPECIFIEDUNSPECIFIED
Moreira, AlbertoUNSPECIFIEDUNSPECIFIED
Date:October 2014
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:52
DOI :10.1109/TGRS.2013.2294353
Page Range:pp. 6003-6016
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:0196-2892
Status:Published
Keywords:Synthetic aperture radar (SAR), Spotlight SAR, SAR processing, stop-and-go approximation, troposphere
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 - Vorhaben Flugzeug-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > SAR Technology
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Prats, Dr. Pau
Deposited On:05 Dec 2013 09:55
Last Modified:31 Jul 2019 19:43

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