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Proceedings Paper

The Effects Of Turbulence In Clear And Turbid Atmospheres On Millimeter Wave Propagation
Author(s): R. W. McMillan; R. A. Bohlander; R. J. Hill; S. F. Clifford
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Paper Abstract

Atmospheric turbulence, which is a readily observed phenomenon at visible wavelengths, also causes fluctuations in intensity and phase at millimeter wavelengths. This paper describes a series of experiments conducted at a site near Flatville, IL which measured these effects at a broad range of MMW frequencies in clear air, rain, fog, and snow. It was found that the maximum rms intensity fluctuations observed were 14% of the mean, while the largest rms angle-of-arrival fluctuations were 36 microradians. Discussions of the experimental arrangement, as well as results obtained in measuring the probability distribution functions of fluctuations, the mutual coherence function, spectral densities, and pertinent atmospheric parameters will be presented.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978384
Show Author Affiliations
R. W. McMillan, Georgia Institute of Technology (United States)
R. A. Bohlander, Georgia Institute of Technology (United States)
R. J. Hill, National Oceanic And Atmospheric Administration (United States)
S. F. Clifford, National Oceanic And Atmospheric Administration (United States)


Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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