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Radar signatures of road vehicles: airborne SAR experiment

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

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Abstract

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.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Radar signatures of road vehicles: airborne SAR experiment
Authors:
AuthorsInstitution or Email of Authors
Palubinskas, GintautasUNSPECIFIED
Runge, HartmutUNSPECIFIED
Reinartz, PeterUNSPECIFIED
Date:2005
Journal or Publication Title:Proc. of SPIE Conference “SAR Image Analysis, Modeling and Techniques X”
Page Range:pp. 1-11
Editors:
EditorsEmail
SPIE, UNSPECIFIED
Status:Published
Keywords:Radar cross section, parking cars, airborne E-SAR sensor, look processing
Event Title:SAR Image Analysis, Modeling and Techniques X, Bruges, Belgium, 19-22 Sept. 2005
Organizer:SPIE
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):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Deposited By: Cornelia Roehl
Deposited On:16 Jan 2006
Last Modified:14 Jan 2010 12:50

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