Evaluation of Passive Millimeter Wave System Performance in Adverse Weather Conditions

被引：0

作者：

Gopalsami, N. ^{[1
]}

Liao, S. ^{[1
]}

Elmer, T. ^{[1
]}

Koehl, E. R. ^{[1
]}

Raptis, A. C. ^{[1
]}

机构：

[1] Argonne Natl Lab, Lemont, IL 60439 USA

来源：

PASSIVE AND ACTIVE MILLIMETER-WAVE IMAGING XV | 2012年 / 8362卷

关键词：

passive; millimeter wave; radiometer; imaging; polarization; weather;

D O I：

10.1117/12.919212

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Passive millimeter wave (PMMW) imaging has shown distinct advantages for detection of terrestrial targets under optically obscuring conditions such as cloud, haze, snow, and light rain. The purpose of this paper is to evaluate the performance of a PMMW imager for terrestrial target recognition with respect to range of detection and climatic variables such as cloud, light rain, and snow. We used a dual polarization MMW radiometer in the frequency range of 70-100 GHz for the evaluation. We present experimental results and analyze the effect of weather conditions on the image quality and its polarization contrast. These results will be useful for quantitative prediction of PMMW system performance for long-range terrestrial imaging.

引用

页数：6

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