220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies
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We present a 220 GHz 3D imaging ‘Pathfinder’ radar developed within the EU FP7 project CONSORTIS (Concealed Object Stand-Off Real-Time Imaging for Security) which has been built to address two objectives: (i) to de-risk the radar hardware development and (ii) to enable the collection of phenomenology data with ~1 cm3 volumetric resolution. The radar combines a DDS-based chirp generator and self-mixing multiplier technology to achieve a 30 GHz bandwidth chirp with such high linearity that the raw point response is close to ideal and only requires minor nonlinearity compensation. The single transceiver is focused with a 30 cm lens mounted on a gimbal to acquire 3D volumetric images of static test targets & materials.
Robertson , D A , Macfarlane , D G & Bryllert , T 2016 , 220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies . in D A Wikner & A R Luukanen (eds) , Passive and Active Millimeter-Wave Imaging XIX . Proceedings of SPIE , vol. 9830 , SPIE , SPIE Conference on Passive and Active Millimeter-Wave Imaging XIX , Baltimore , United States , 18-21 April . DOI: 10.1117/12.2222780conference
Passive and Active Millimeter-Wave Imaging XIX
© 2016, Society of Photo Optical Instrumentation Engineers. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at proceedings.speidigitallibrary.org / https://dx.doi.org/10.1117/12.2222780
Part of the research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 312745.
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