The Linear Relationship Between Attenuation and Average Rainfall Rate for Terrestrial Links
The Linear Relationship Between Attenuation and Average Rainfall Rate for Terrestrial Links
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陆地链路衰减与平均降雨率之间的线性关系
DOI：
10.1109/tap.2010.2103021
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发表时间：
2011
影响因子：
5.7
通讯作者：
Townsend A
中科院分区：
文献类型：
--
作者：
Townsend A
Attenuation measured on terrestrial links can be used to estimate surface rainfall rates along a link path. There is current interest in the use of inverse methods to estimate rainfall over areas inferred from terrestrial links. A power-law relationship can be used to estimate rainfall rate from attenuation measured by a terrestrial link. However, the inverse method is simplified with a linear relationship between attenuation and rainfall rate when determining path averaged rainfall rates. This paper investigates power-law and linear relationships between rainfall rate and attenuation. It examines their goodness of fit for a range of frequencies and rainfall rates. Six years of disdrometer data from Chilbolton in the U.K. has been used to study both linear and power-law fits to attenuation and quantify the associated errors.
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