| 降雨环境中多径信道的包络概率密度函数 |
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| 引用本文： | 弓树宏,黄际英,赵小龙.降雨环境中多径信道的包络概率密度函数[J].电子学报,2009,37(12):2833-2837. |
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| 作者姓名： | 弓树宏 黄际英 赵小龙 |
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| 作者单位： | 西安电子科技大学理学院,陕西西安,710071 |
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| 基金项目： | 西安电子科技大学研究生创新基金，国家重点实验室资助项目 |
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| 摘 要： | 利用随机介质中波传播理论研究了随机雨介质中信号的起伏特性,研究了降雨散射环境对多径信道中接收信号包络概率密度函数的影响,导出了降雨环境下单波和双波模型的计算公式,讨论了评估降雨环境中的莱斯衰落分布和瑞利衰落分布多径信道概率密度函数的研究方法.文中的研究方法对于雪、沙尘等环境中多径信道的信号包络概率密度函数也适用.
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| 关 键 词： | 降雨 多径信道 概率密度函数 |
| 收稿时间： | 2007-10-09 |
The Envelope Probability Density Functions in Multi-Path Channels under Raining Condition |
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| GONG Shu-hong,HUANG Ji-ying,ZHAO Xiao-long.The Envelope Probability Density Functions in Multi-Path Channels under Raining Condition[J].Acta Electronica Sinica,2009,37(12):2833-2837. |
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| Authors: | GONG Shu-hong HUANG Ji-ying ZHAO Xiao-long |
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| Affiliation: | GONG Shu-hong,HUANG Ji-ying,ZHAO Xiao-long(School of Science,Xi'dian University,Xi'an,Shaanxi 710071,China) |
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| Abstract: | The fluctuant peculiarities of a signal passing through rain are studied by the theory of waves propagating through a random media.The detailed formulae are deduced for single-wave channel and two-wave channel.The methods evaluating the effects on Rayleigh fading distribution model and Rician fading distribution model induced by rain scattering are discussed.The methods used in this paper is effective for studying the impacts of meteorological scattering environment(snow,dust-storm,etc.) on the envelope pro... |
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| Keywords: | rain multi-path channels probability density functions |
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