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会飞的不是云(lazy锦溪代发): 金币+10, 协助结帖,感谢应助! 2016-03-16 09:14:44
lazy锦溪: LS-EPI+1, 感谢应助! 2016-03-16 09:14:52
Research on the method and experiment of path rainfall intensity inversion using a microwave link
作者:Gao, TC (Gao Tai-Chang)[ 1 ] ; Song, K (Song Kun)[ 1 ] ; Liu, XC (Liu Xi-Chuan)[ 1 ] ; Yin, M (Yin Min)[ 1 ] ; Liu, L (Liu Lei)[ 1 ] ; Jiang, ST (Jiang Shi-Tai)[ 2 ]
ACTA PHYSICA SINICA
卷: 64  期: 17
文献号: 174301
DOI: 10.7498/aps.64.174301
出版年: SEP 5 2015
查看期刊信息
摘要
Accurate measurement of rainfall with high spatial and temporal resolution have important significance in meteorology, hydrology, agriculture, environment, flood warning and weather forecasting, etc. Based on the rain-induced power-law attenuation, an inversion method of the path rainfall intensity is proposed by using a microwave link. Starting from the atmospheric gas absorption attenuation model, a correction model of rainfall effective attenuation and a rainfall inversion model for line-of-sight microwave links are proposed, based on the microwave rain attenuation characteristics and raindrop size distribution statistics. A line-of-sight microwave link is designed and used to measure the rainfall, and the path average rain rate is inversed by means of rainfall inversion model, which is compared with a disdrometer. Results show that the correlation coefficient of rain rate inversed by microwave link with that of disdrometer is higher than 0.6 mostly, and the maximum value is 0.9647; the error of the accumulated rain amount is less than 0 5 mm, and the minimum value is 0.0827 mm; the relative error of the accumulated rain amount is less than 15%, the minimum value is 3.3415%. Experiments confirm the feasibility and accuracy of rainfall inversion obtained using a microwave link.
关键词
作者关键词:rain-induced microwave attenuation measurements; microwave link; inversion of rain rate
KeyWords Plus:COMMUNICATION-NETWORKS; BAND
作者信息
通讯作者地址: Liu, XC (通讯作者)
显示增强组织信息的名称        PLA Univ Sci & Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China.
地址:
显示增强组织信息的名称        [ 1 ] PLA Univ Sci & Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China
              [ 2 ] PLA, Unit 93721, Shuozhou 038301, Peoples R China
电子邮件地址:liuxc2012@hotmail.com
基金资助致谢
基金资助机构        授权号
National Natural Science Foundation of China        
41475020
41405024
41327003
查看基金资助信息   
出版商
CHINESE PHYSICAL SOC, P O BOX 603, BEIJING 100080, PEOPLES R CHINA
类别 / 分类
研究方向hysics
Web of Science 类别hysics, Multidisciplinary
文献信息
文献类型:Article
语种:Chinese
入藏号: WOS:000362976900022
ISSN: 1000-3290
期刊信息
Impact Factor (影响因子): Journal Citation Reports®
其他信息
IDS 号: CT7EO
Web of Science 核心合集中的 "引用的参考文献": 22
Web of Science 核心合集中的 "被引频次": 1
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