Digital beam-forming for passive millimetre wave security imaging

N. A. Salmon, J. Beale, J. Parkinson, S. Hayward, P. Hall, R. MacPherson, R. Lewis, A. Harvey

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)


This paper reviews digital beam-forming as an alternative technology for the development of passive millimetre wave (PMMW) imagers. Considering recent technology developments and end-user requirements, digital beam- forming is an attractive prospect for a new architecture of PMMW security imager. The radiometric sensitivity in PMMW electronic beam-forming is investigated using beam- former simulations and comparisons made with a mechanical scanning PMMW imager. The objectives, design considerations and progress to date on a demonstrator programme for a PMMW digital beam-forming imager directed at the commercial security screening market are discussed. The benefits of digital beam-forming for security scanners are reviewed together with the calibration technique and the programme future.

Original languageEnglish
Title of host publication2nd European Conference on Antennas and Propagation, EuCAP 2007
Publication statusPublished - 2007
Event2nd European Conference on Antennas and Propagation - Edinburgh, United Kingdom
Duration: 11 Nov 200716 Nov 2007


Conference2nd European Conference on Antennas and Propagation
Abbreviated titleEuCAP 2007
Country/TerritoryUnited Kingdom


  • Eam-forming
  • Imaging
  • Millimetre wave
  • Passive
  • Scanning
  • Terahertz


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