Paper
24 October 1985 Contrast-Reversal In MMW Radiometric Imaging
K. Q. Lao
Author Affiliations +
Proceedings Volume 0544, Millimeter Wave Technology III; (1985) https://doi.org/10.1117/12.948266
Event: 1985 Technical Symposium East, 1985, Arlington, United States
Abstract
Recent interest in millimeter-wave imaging systems has focused attention on some of the problems associated with the forward-looking mode of operation. In this article, brightness temperatures of various material surfaces have been computed to illustrate the problem of contrast reversal at low grazing angles. When detection conditions are known, contrast reversal angles can be predicted using surface and weather modeling.
© (1985) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
K. Q. Lao "Contrast-Reversal In MMW Radiometric Imaging", Proc. SPIE 0544, Millimeter Wave Technology III, (24 October 1985); https://doi.org/10.1117/12.948266
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KEYWORDS
Extremely high frequency

Dielectric polarization

Metals

Dielectrics

Microwave radiation

Millimeter wave imaging

Polarization

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