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A portable W-band radar system for enhancement of infrared vision in fire fighting operations

: Klenner, Mathias; Zech, Christian; Hülsmann, Axel; Kühn, Jutta; Schlechtweg, Michael; Hahmann, Konstantin; Kleiner, Bernhard; Ulrich, Michael; Ambacher, Oliver


Salmon, N.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Millimetre Wave and Terahertz Sensors and Technology IX : 28-29 September 2016, Edinburgh, United Kingdom
Bellingham, WA: SPIE, 2016 (Proceedings of SPIE 9993)
ISBN: 978-1-5106-0390-5
ISBN: 978-1-5106-0391-2
Paper 999307, 7 pp.
Conference "Millimetre Wave and Terahertz Sensors and Technology" <9, 2016, Edinburgh>
Conference Paper
Fraunhofer IAF ()
Fraunhofer IPA ()
Radar; Feuerbekämpfung; Distanzmessung; Kamera

In this paper, we present a millimeter wave radar system which will enhance the performance of infrared cameras used for fire-fighting applications. The radar module is compact and lightweight such that the system can be combined with inertial sensors and integrated in a hand-held infrared camera. This allows for precise distance measurements in harsh environmental conditions, such as tunnel or industrial fires, where optical sensors are unreliable or fail. We discuss the design of the RF front-end, the antenna and a quasi-optical lens for beam shaping as well as signal processing and demonstrate the performance of the system by in situ measurements in a smoke filled environment.