Measurements of cloud contribution to rain millimeter wave attenuation by using a radar and radiometers |
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| Authors: | Yu. S. Babkin Ye. V. Sukhonin A. S. Azarov N. F. Buranbayev A. V. Koldayev A. F. Mironov V. V. Stroganov |
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| Affiliation: | (1) Institute of Radioengineering and Electronics of the USSR Academy of Sciences, Moscow, USSR;(2) Central Aerological Observatory, Moscow, USSR;(3) Radiophysical Scientific Research Institute, Gorkiy, USSR |
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| Abstract: | The measurement technique of cloud contribution to rain attenuation and the equipment consisted of the coherent pulse Doppler radar at wavelength  =3.2 cm, the radiometers at=0.4; 0.8 and 1.35 cm and apparatus for signal recording and processing is described. The results of such measurements are given. The Doppler spectrum of the rain backscattered radar signal was used for determination of rain drop size distribution height profile then rain attenuation was calculated and cloud attenuation was determined as the difference between the total attenuation measured by using the radiometers and rain attenuation. The results of this work gave possibility to improve the known rain model of P.Misme for prediction of rain attenuation statistics for Earth-satellite links at millimeter wave. |
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| Keywords: | rain clouds attenuation millimeter wave prediction |
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