Passive fully polarimetric W-band millimeter-wave imaging
2012
We present the theory, design, and experimental results obtained from a scanning passive W-band fully polarimetric
imager. Passive millimeter-wave imaging offers persistent day/nighttime imaging and the ability to penetrate dust,
clouds and other obscurants, including clothing and dry soil. The single-pixel scanning imager includes both far-field
and near-field fore-optics for investigation of polarization phenomena. Using both fore-optics, a variety of scenes
including natural and man-made objects was imaged and these results are presented showing the utility of polarimetric
imaging for anomaly detection. Analysis includes conventional Stokes-parameter based approaches as well as
multivariate image analysis methods.
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