A 220 GHz 3D imaging radar with sub-cm3 voxel resolution for security applications

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Radars operating at high millimetre and sub-millimetre wave frequencies are promising candidates for security applications such as people screening since they offer the possibility to form 3D images through clothing with sufficient resolution to detect concealed objects. High spatial resolution of order 1 cm can be achieved using practically sized antennas and high range resolution can be achieved using wideband FMCW chirps, e.g. 30 GHz, to yield 0.5 cm range bins. We present a 220 GHz test-bed ‘Pathfinder’ radar which achieves sub-cm3 voxel resolution with very high signal fidelity. The radar is used to de-risk technology under development for next generation people screening systems.
Original languageEnglish
Title of host publication2016 46th European Microwave Conference (EuMC)
Number of pages4
ISBN (Electronic)9782874870439
ISBN (Print)9781509015146
Publication statusPublished - 19 Jan 2017
Event13th European Radar Conference - London, United Kingdom
Duration: 5 Oct 20167 Oct 2016


Conference13th European Radar Conference
Country/TerritoryUnited Kingdom
Internet address


  • Millimetre wave radar
  • Secuirty
  • FMCW
  • 3d imaging
  • High resolution


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