Spectral density of millimeter wave amplitude scintillations in an absorption region |
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Authors: | Medeiros Filho F. Jayasuriya D. Cole R. Helmis C. |
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Affiliation: | CETUC, Rio de Janeiro, Brazil; |
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Abstract: | A detailed theory including the effect of water vapor fluctuations for the spectral density of the log amplitude scintillations of a radio wave propagating in an absorption medium is presented. The scintillation spectra obtained from links at 55.5 and 36.1 GHz on a common 4.1 km path are given together with the relevant meteorological data. Results show that the lower corner frequency predicted by Ott and Thompson, for the enhancement of the scintillations in an absorption region, is a good approximation. |
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