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Proceedings Paper

Characterization Of Millimeter Wave Propagation Through A Turbid Atmosphere
Author(s): F. L. Merat; P. C. Claspy; R. M . Manning
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Paper Abstract

Atmospheric effects on the propagation of electromagnetic waves are usually described in terms of intensity fluctuations, angle-of-arrival fluctuations, and the mutual coherence function (HCF). Experimental determination of these statistical quantities is usually accomplished by forming a time average of instantaneous field measurements and assuming ergodicity to obtain an ensemble average. This paper reviews two experimental approaches used to obtain such data, viz., the long-baseline interferometric method and the quasi-optical method; emphasis will be placed on the latter method. In addition, sampling of the atmospheric temperature and humidity fluctuations, which give rise to the electromagnetic fluctuations, is analyzed. Finally, a 1.6-km propagation range employing the quasi-optical method and the meteorological sampling considerations mentioned above will be described. The range is completely instrumented to provide the relevant meteorological and electromagnetic para-meters needed to characterize propagation at frequencies near 300 (Hz in a turbulent atmos-phere.

Paper Details

Date Published: 22 September 1983
PDF: 9 pages
Proc. SPIE 0414, Optical Engineering for Cold Environments, (22 September 1983); doi: 10.1117/12.935878
Show Author Affiliations
F. L. Merat, Case Western Reserve University (United States)
P. C. Claspy, Case Western Reserve University (United States)
R. M . Manning, Case Western Reserve University (United States)

Published in SPIE Proceedings Vol. 0414:
Optical Engineering for Cold Environments
George W. Aitken, Editor(s)

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