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General Processing Approach for Bistatic SAR Systems: Description and Performance Analysis

Rodriguez-Cassola, Marc and Prats, Pau and Lopez-Dekker, Paco and Krieger, Gerhard and Moreira, Alberto (2010) General Processing Approach for Bistatic SAR Systems: Description and Performance Analysis. In: Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR), pp. 998-1001. VDE Verlag GmbH. European Conference on Synthetic Aperture Radar (EUSAR), 2010-06-08 - 2010-06-10, Aachen, Germany.

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Abstract

For its intrinsic properties, bistatic SAR processing cannot be approached in the same manner monostatic SAR process- ing is approached. In general, a bistatic SAR processor is more than a powerful focussing algorithm. Because of the lack of precise time (range) and phase (Doppler) references in non-cooperative (and even cooperative) bistatic systems, a prior software synchronisation step is used to correct the residual errors caused by the use of different clocks. Moreover, depending on the bistatic configuration, different kinds of SAR focussing algorithms can be used. Azimuth-invariant configurations may benefit from the convolution property of the Fourier transform, whereas more general configurations are better suited for efficient time-domain techniques. A discussion on the performance of three Fourier-domain focussing algorithms, range-Doppler, chirp scaling, and range migration, is included in the paper.

Document Type:Conference or Workshop Item (Speech)
Title:General Processing Approach for Bistatic SAR Systems: Description and Performance Analysis
Authors:
AuthorsInstitution or Email of Authors
Rodriguez-Cassola, MarcUNSPECIFIED
Prats, PauUNSPECIFIED
Lopez-Dekker, PacoUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Moreira, AlbertoUNSPECIFIED
Date:10 June 2010
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR)
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 998-1001
Publisher:VDE Verlag GmbH
Status:Published
Keywords:SAR, bistatic SAR, SAR processing, Synchronisation
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Aachen, Germany
Event Type:international Conference
Event Dates:2010-06-08 - 2010-06-10
Organizer:VDE
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 - Vorhaben Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > SAR Technology
Deposited By: Marc Rodriguez Cassola
Deposited On:24 Jun 2010 15:57
Last Modified:21 Mar 2014 11:09

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