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Concealed weapon detection with active and passive millimeterwave sensors, two approaches

Unterschiedliche Verfahrensweisen zum Nachweis von versteckt getragenen Waffen mittels aktiven und passiven Millimeterwellensensoren
 
: Essen, H.; Fuchs, H.-H.; Hägelen, M.; Stanko, S.; Nötel, D.; Erukulla, S.; Huck, J.; Schlechtweg, M.; Tessmann, A.

Wiesbeck, W.:
German Microwave Conference, GeMiC 2006. CD-ROM : Universität Karlsruhe (TH), March 28 - 30, 2006
Karlsruhe: Univ. Karlsruhe, 2006
4 pp.
German Microwave Conference (GeMiC) <2, 2006, Karsruhe>
English
Conference Paper
Fraunhofer IAF ()
concealed weapon detection (CWD); Waffennachweis; millimterwave sensor; Millimeterwellensensorik; passive imaging; passives Bildgebungsverfahren; FMCW radar; frequenzmoduliertes Dauerstrichradar; W-Band

Abstract
The increasing interest in the security of public spaces Ieads to a demand for sensor technology beyond metal detectors. Two different approaches of concealed weapon detection using millimeter wave systems are presented in this paper. The design of a passive radiometric sensor in the W-band is presented. On the active side, an FMCW radar system at 94 GHz is introduced for the scanning of persons. The resulting images are shown which enable a first comparison of both approaches.

: http://publica.fraunhofer.de/documents/N-50836.html