Passive millimeter wave focal plane array imaging technology
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    Abstract:

    Under the background of safety inspection, the key technologies of near-range passive millimeter wave focal plane array imaging are studied. The analysis of the system quasi-optics were carried out using fundamental Gaussian beam method combined with geometrical optics method. A multi-beam wide-angle scanning lens antenna was designed. A new dielectric rod antenna was devised, which is prone to be aligned in close arrays and provide good radiation to the lens. Miniaturized direct-detection radiometers were fabricated with high-sensitive in Ka-band . Experimental results of the 20-channel passive millimeter wave focal plane array imaging system are presented, which can be used to detect hidden objects on human bodies in near range indoors.

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WANG Nan-Nan, QIU Jing-Hui, ZHANG Peng-Yu, DENG Wei-Bo. Passive millimeter wave focal plane array imaging technology[J]. Journal of Infrared and Millimeter Waves,2011,30(5):419~424

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History
  • Received:July 04,2010
  • Revised:September 05,2010
  • Adopted:September 08,2010
  • Online: October 20,2011
  • Published: