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A 3-D millimeterwave luggage scanner

Ein Millimeterwellen-Kofferscanner zur dreidimensionalen Bildgebung
: Hägelen, M.; Stanko, S.; Essen, H.; Briese, G.; Schlechtweg, M.; Tessmann, A.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Microwave Theory and Techniques Society:
33rd International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2008. Vol.2 : 16th International Conference on Terahertz Electronics; 15.-19.9.2008 Pasadena, California, USA
New York, NY: IEEE, 2008
ISBN: 978-1-4244-2120-6
ISBN: 978-1-4244-2119-0
International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) <33, 2008, Pasadena/Calif.>
International Conference on Terahertz Electronics <16, 2008, Pasadena/Calif.>
Fraunhofer IAF ()
FMCW radar; synthetic aperture radar (SAR); synthetisches Apertur-Radar; W-Band; MHEMT; packaging; Aufbautechnik; imaging; Bildgebungsverfahren

A light weight, transportable measurement system for the inspection of suspicious luggage in a threat situation has been developed, based upon miniaturized millimetre wave radar modules operating at W-band. To allow for a sufficient detection capability of objects hidden within a piece of ownerless luggage within a passenger terminal 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.