由于云和雨，Ku波段在空间-地球路径上的大气衰减。

Q2 Agricultural and Biological Sciences

Agronomy research Pub Date : 2020-01-01 DOI:10.15159/AR.20.138

J. Dvorak, J. Hart, J. Kumhálová

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引用次数: 4

摘要

在对流层形成的天气条件导致卫星通信系统中最大的信号衰减，特别是在10ghz以上的频率。本文描述了由于雨和云在卫星-地球路径上可能产生的信号衰减。测量了使用Ku波段进行数据传输是否优于其他波段。测量是在捷克共和国使用来自欧洲通信卫星12W卫星12.5 GHz的信标信号进行的。测量地点的云量和降雨率均来自CHMI门户网站。测量结果表明，云造成的衰减可以忽略不计。降雨引起了显著的衰减。斜径雨的测量值显示，即使在小雨中，信号强度也有明显下降。实测的累积降雨量与ITU-R模式接近。测量结果表明，Ku波段有利于中欧等雨少地区的数据传输。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Atmospheric attenuation of the Ku band along the space-earth path due to clouds and rain.

The weather conditions formed in troposphere causes the greatest signal attenuation in satellite communication systems especially at frequencies above 10 GHz. This paper describes possible signal attenuations on the satellite-earth path due to rain and clouds. It was measured whether it is advantageous to use the Ku band for data transmission over other bands. The measurement was carried out in the Czech Republic using a beacon signal from Eutelsat 12W satellite at 12.5 GHz. Clouds and the rainfall rate at the measured location were obtained from the CHMI portal. The measurements show that the clouds cause negligible attenuation. Significant attenuation was caused by rainfall. The measured values of slant path rain show a significant decrease in signal strength even in light rain. The measured cumulative rainfall rate was found to be close to the ITU-R model. The measurements show that the Ku band is advantageous for data transmission in rain poorer regions including Central Europe.

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来源期刊

Agronomy research Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

7 weeks

期刊介绍： Agronomy Research is a peer-reviewed international Journal intended for publication of broad-spectrum original articles, reviews and short communications on actual problems of modern biosystems engineering including crop and animal science, genetics, economics, farm- and production engineering, environmental aspects, agro-ecology, renewable energy and bioenergy etc. in the temperate regions of the world.