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Millimetre wave near field SAR scanner for concealed weapon detection

Ein Nahbereichs-Millimeterwellen-SAR-Scanner zur Detektion von versteckt getragenen Waffen
: Hägelen, M.; Briese, G.; Essen, H.; Tessmann, A.

Verband Deutscher Elektrotechniker e.V. -VDE-, Berlin; Informationstechnische Gesellschaft -ITG-:
EUSAR 2008, 7th European Conference on Synthetic Aperture Radar. Vol.1 : June 2 - 5, 2008, Friedrichshafen, Germany
Berlin: VDE-Verlag, 2008
ISBN: 978-3-8007-3084-1
European Conference on Synthetic Aperture Radar (EUSAR) <7, 2008, Friedrichshafen>
Fraunhofer IAF ()

A light weight, transportable measurement system for the inspection of suspicious humans and of luggage in a threat situation has been developed, based upon miniaturized millimetre wave radar modules operating at W-band. To allow a sufficient detection capability of objects hidden under the clothing or within a piece of luggage within buildings at a sufficiently short scanning time, a radar approach rather than a passive radiometer technique was chosen. It is generally recognized, that only synthetic aperture is able to supply a sufficient geometrical resolution at high imaging speed. Moreover a radar can also deliver a three dimensional description for the position and the shape of a concealed object using high range resolution techniques. The paper describes the measurement set-up and the evaluation algorithm. Typical examples for different set-ups are presented.