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The Analysis of Rain Attenuation in Satellite Communication Link

HAO Xue-kun,ZHANG Xiao-lai,LI Wen-duo(The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China)  
Rain attenuation is the dominant propagation impairment in satellite communication with higher band(Ka,V).For system design,it is necessary to provide certain link margin for low availability.However in order to obtain high availability,we need explore adaptive fade mitigation technology.It is the trend to use higher band in satellite communication system.So it is necessary to study the fade dynamic characteristics of rain and to provide the evidence for design anti-fade technology.In this paper,Fade dynamic characteristics of rain and some results are also presented.Lastly,data from propagation experiment of some city in our country are analyzed.
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