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On Prediction of Rain Attenuation to Earth-Satellite Links from Hourly Rain Gauge Data

Li Li; Zhu Yuanjing; Zhao Bolin (Department of Geophysics, Peking University, Beijing 100871, China)  
Rain rate accumulative log - normal and Gamma distributions are calculated from 1991's hourly rain gauge data for 333 -gauge stations of China. By comparison, it shows that the Gamma distribution depicts are better than the statistic rain rate distribution. So, 1 -minitue accumulative distribution to every gauge station is derived from the piece-wise regedon results of Gamma distribution through half-empirical conversion coefficients. Prediction of rain attenuation to China earth-satellite links is made for different conditions. The data tmetment procedure and its results presented in the poper may be practical and useful in engineering desgn.
【Fund】: 国家自然科学基金!49475246
【CateGory Index】: P49
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