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阿呆呆呆
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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  hysicsWeb 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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