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Radar Signatures of a Passenger Car

Palubinskas, Gintautas und Runge, Hartmut (2007) Radar Signatures of a Passenger Car. IEEE Geoscience and Remote Sensing Letters, 4 (4), Seiten 644-648. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/LGRS.2007.903074 ISSN 1545-598X

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The upcoming new SAR satellites like TerraSAR-X and Radarsat-2 offer high spatial image resolution and dual receive antenna capabilities which open new opportunities for world-wide traffic monitoring applications. If the radar cross section of the vehicles is strong enough they can be detected in the SAR data and their speed can be measured. For a system performance prediction and algorithm development it is therefore indispensable to know the radar cross section of typical passenger cars. The geometry parameters which have to be considered are the radar look direction, incidence angle and the vehicle orientation. In this paper the radar signatures of non-moving or parking cars are presented. They are measured experimentally from airborne E-SAR data, which have been collected during flight campaigns in 2005 and 2006 with multiple over-flights at different aircraft headings. The radar signatures could be measured for the whole range of aspect angles from 0º to 180º and with high angular resolution due to the large synthetic aperture length of the E-SAR radar sensor. The analysis for one type of passenger cars and particular incidence angles showed that the largest radar cross section values and thus the greatest chance of detection of the vehicles appears when the car is seen from the front, the back and from the side. Radar cross section values for slanted views are much lower and are therefore less suitable for car detection. The measurements have been performed in X-Band (9.6GHz), VV-polarization and at incidence angles of 41.5º and 42.5º. The derived radar signature profile can also be used for the verification of radar cross section simulation studies.

Titel:Radar Signatures of a Passenger Car
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iD
Palubinskas, GintautasGintautas.Palubinskas@dlr.deNICHT SPEZIFIZIERT
Runge, Hartmuthartmut.runge@dlr.deNICHT SPEZIFIZIERT
Datum:Oktober 2007
Erschienen in:IEEE Geoscience and Remote Sensing Letters
Referierte Publikation:Ja
In Open Access:Nein
In ISI Web of Science:Ja
DOI :10.1109/LGRS.2007.903074
Seitenbereich:Seiten 644-648
Verlag:IEEE - Institute of Electrical and Electronics Engineers
Stichwörter:Airborne E-SAR sensor, aspect angle, look processing, radar cross-section, road vehicles, traffic monitoring
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:V SM - Sicherung der Mobilität (alt)
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V SM - Sicherung der Mobilität
DLR - Teilgebiet (Projekt, Vorhaben):V - TS-X Verkehrsprodukte (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Methodik der Fernerkundung
Institut für Methodik der Fernerkundung > SAR-Signalverarbeitung
Institut für Methodik der Fernerkundung > Photogrammetrie und Bildanalyse
Hinterlegt von: Palubinskas, Dr.math. Gintautas
Hinterlegt am:23 Jan 2008
Letzte Änderung:08 Mär 2018 18:30

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