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Analysis of bistatic scattering behavior of natural surfaces

Dubois-Fernandez, Pascale and Cantalloube, Hubert and Ruault du Plessis, Oliver and Wendler, Michael and Vaizan, Bernard and Coulombeix, Colette and Heuze, Daniel and Krieger, Gerhard (2004) Analysis of bistatic scattering behavior of natural surfaces. In: Proceedings EUSAR 2004, 2, pp. 573-576. VDE Verlag. European Conference on Synthetic Aperture Radar (EUSAR), 2004-05-25 - 2004-05-27, Ulm, Germany. ISBN 3-8007-2828-1.

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Bistatic configuration is an attractive concept for spaceborne and airborne missions for several reasons. The first one is the important cost reduction achieved over the multiple radar constellation, by having only one transmitter (expensive part) and multiple receivers. The most promising applications are single pass interferometry with a large baseline and target or surface characterization from bistatic scattering signature analysis. In a Defense context, the improved furtivity associated with the receive-only component can provide a wider operational capability. In order to explore the challenges associated with bistatic radar, DLR and ONERA organized a joint bistatic airborne experiment involving E-SAR and RAMSES. After the pre-flight engineering analysis phase, necessary to understand how to work the two radars jointly and resolve the technical challenges associated with the acquisition like the synchronization of the two systems, two flights were planned over an area in southern of France (Nîmes). Several innovative configurations were tested. An active transponder from DLR and a set of passive corner reflectors were also deployed on the test area for calibration of the monostatic and bistatic data. Two main geometrical configurations were flown to explore two scientific objective· to simulate the cartwheel/pendulum concept (single pass interferometry with a large baseline), · to evaluate the improved target characterization provided by the bistatic geometry. In this paper, we analyze the influence of the bistatic angle on the images and on the scattering of natural. This will need to be compared with a similar analysis on incidence angle agility.

Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Analysis of bistatic scattering behavior of natural surfaces
AuthorsInstitution or Email of Authors
Dubois-Fernandez, PascaleONERA
Cantalloube, HubertONERA
Ruault du Plessis, OliverONERA
Wendler, MichaelUNSPECIFIED
Vaizan, BernardONERA
Coulombeix, ColetteONERA
Heuze, DanielONERA
Krieger, GerhardUNSPECIFIED
Journal or Publication Title:Proceedings EUSAR 2004
Refereed publication:No
In ISI Web of Science:No
Page Range:pp. 573-576
Publisher:VDE Verlag
Keywords:bistatic SAR
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Ulm, Germany
Event Type:international Conference
Event Dates:2004-05-25 - 2004-05-27
Organizer:VDE ITG
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 Entwicklung eines Mini-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Michael Wendler
Deposited On:13 Feb 2006
Last Modified:06 Jan 2010 19:54

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