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Proceedings Paper

Passive millimeter-wave imaging using a sparse phased-array antenna
Author(s): Randall Olsen; John A. Lovberg; Ri-Chee Chou; Christopher A. Martin; Joseph A. Galliano Jr.
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Paper Abstract

Passive Millimeter-wave Imaging (PMI) technology provides a powerful sensor capability for military and commercial imaging applications, during day or night, and in adverse weather. Recent advances in high-frequency antennas, MMW electronics, and high-speed signal processing, have brought real-time, high-contrast, high-resolution, wide-field PMI into the realm of technological feasibility. However, the substantial size, weight, and cost of previous PMI architectures have proved impractical for all but a few scientific implementations, creating a barrier to large- volume production. This reality has precluded PMI usage in several applications with demonstrable benefits, such as aircraft navigation and landing, radio-silent airborne surveillance/battle damage assessment, concealed weapons detection (CWD), or through-wall imaging. A new PMI architecture has been demonstrated which allows this wide- area, near-real-time staring capability with significant reductions in size, weight, and cost relative to previous designs. Specifics of this new PMI architecture will be presented along with a host of imaging data representing its current capability for airborne imaging, CWD, and through- wall imaging.

Paper Details

Date Published: 27 June 1997
PDF: 8 pages
Proc. SPIE 3064, Passive Millimeter-Wave Imaging Technology, (27 June 1997); doi: 10.1117/12.277092
Show Author Affiliations
Randall Olsen, ThermoTrex Corp. (United States)
John A. Lovberg, ThermoTrex Corp. (United States)
Ri-Chee Chou, ThermoTrex Corp. (United States)
Christopher A. Martin, ThermoTrex Corp. (United States)
Joseph A. Galliano Jr., ThermoTrex Corp. (United States)


Published in SPIE Proceedings Vol. 3064:
Passive Millimeter-Wave Imaging Technology
Roger M. Smith, Editor(s)

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