19 October 2011 Millimetre radar threat level evaluation (MiRTLE) at standoff ranges
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A millimetre wave (75 - 110 GHz) polarimetric RADAR system is demonstrated for the detection of threat objects concealed under clothing upon the human body at stand-off ranges of up to 25 metres. The system implements Swept Frequency Continuous Wave RADAR with low cost components to deliver a compact, UWB, high resolution (~ 1 cm) RADAR system capable of detecting, resolving and discriminating a wide spectrum of threat items concealed on the human body. Threat detection is autonomously rendered by application of a neural network to the scattered time domain polarimetric radar return, the system may be taught to alarm or reject certain classes of objects; allowing for highly specific through to broad spectrum threat detection. The authors present data for some simple envisaged threat scenarios at stand off ranges out to 25 metres.
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Stuart W. Harmer, Stuart W. Harmer, Nicholas Bowring, Nicholas Bowring, David Andrews, David Andrews, Nacer Rezgui, Nacer Rezgui, Matthew Southgate, Matthew Southgate, } "Millimetre radar threat level evaluation (MiRTLE) at standoff ranges", Proc. SPIE 8188, Millimetre Wave and Terahertz Sensors and Technology IV, 81880L (19 October 2011); doi: 10.1117/12.902231; https://doi.org/10.1117/12.902231


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