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Radar signatures of road vehicles: airborne SAR experiment

Palubinskas, Gintautas und Runge, Hartmut und Reinartz, Peter (2005) Radar signatures of road vehicles: airborne SAR experiment. In: Proc. of SPIE Conference “SAR Image Analysis, Modeling and Techniques X”, Seiten 1-11. SAR Image Analysis, Modeling and Techniques X, Bruges, Belgium, 19-22 Sept. 2005.

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The German radar satellite TerraSAR-X is a high resolution, dual receive antenna SAR satellite, which will be launched in spring 2006. Since it will have the capability to measure the velocity of moving targets, the acquired interferometric data can be useful for traffic monitoring applications on a global scale. DLR has started already the development of an automatic and operational processing system which will detect cars, measure their speed and assign them to a road. Statistical approaches are used to derive the vehicle detection algorithm, which require the knowledge of the radar signatures of vehicles, especially under consideration of the geometry of the radar look direction and the vehicle orientation. Simulation of radar signatures is a very difficult task due to the lack of realistic models of vehicles. In this paper the radar signatures of the parking cars are presented. They are estimated experimentally from airborne E-SAR X-band data, which have been collected during flight campaigns in 2003-2005. Several test cars of the same type placed in carefully selected orientation angles and several over-flights with different heading angles made it possible to cover the whole range of aspect angles from 0º to 180º. The large synthetic aperture length or beam width angle of 7º can be divided into several looks. Thus processing of each look separately allows to increase the angle resolution. Such a radar signature profile of one type of vehicle over the whole range of aspect angles in fine resolution can be used further for the verification of simulation studies and for the performance prediction for traffic monitoring with TerraSAR-X.

Dokumentart:Konferenzbeitrag (Paper)
Zusätzliche Informationen: LIDO-Berichtsjahr=2005,
Titel:Radar signatures of road vehicles: airborne SAR experiment
AutorenInstitution oder E-Mail-Adresse der Autoren
Palubinskas, GintautasNICHT SPEZIFIZIERT
Erschienen in:Proc. of SPIE Conference “SAR Image Analysis, Modeling and Techniques X”
Seitenbereich:Seiten 1-11
HerausgeberInstitution und/oder E-Mail-Adresse der Herausgeber
Stichwörter:Radar cross section, parking cars, airborne E-SAR sensor, look processing
Veranstaltungstitel:SAR Image Analysis, Modeling and Techniques X, Bruges, Belgium, 19-22 Sept. 2005
Veranstalter :SPIE
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):NICHT SPEZIFIZIERT
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Methodik der Fernerkundung
Hinterlegt von: Cornelia Roehl
Hinterlegt am:16 Jan 2006
Letzte Änderung:14 Jan 2010 12:50

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