220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies

Duncan A. Robertson; David G. Macfarlane; Tomas Bryllert

doi:10.1117/12.2222780

12 May 2016 220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies

Duncan A. Robertson, David G. Macfarlane, Tomas Bryllert

Author Affiliations +

Proceedings Volume 9830, Passive and Active Millimeter-Wave Imaging XIX; 983009 (2016) https://doi.org/10.1117/12.2222780
Event: SPIE Defense + Security, 2016, Baltimore, Maryland, United States

Abstract

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 and materials.

Citation Download Citation

Duncan A. Robertson, Duncan A. Robertson, David G. Macfarlane, David G. Macfarlane, Tomas Bryllert, Tomas Bryllert, "220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies", Proc. SPIE 9830, Passive and Active Millimeter-Wave Imaging XIX, 983009 (12 May 2016); doi: 10.1117/12.2222780; https://doi.org/10.1117/12.2222780

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