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紫外光非视距二次散射信道模型研究 被引量：1

Study on Model of Ultraviolet Non-line-of-sight Rescattering Channel
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摘要 基于单散射信道模型,结合大气散射传输理论,建立了二次散射模型。分析研究了紫外光通信时两种典型情况下的散射相函数,即瑞利散射和米氏散射。通过比较单散射模型与二次散射模型中的脉冲响应,验证了二次散射模型的合理性,并且在二次散射模型中加入了相函数对系统性能的影响,结果验证了紫外光非视距通信的可行性,并且得出不同天气对系统性能的影响,即雾天和雨天对紫外光非视距通信的影响较大。 Based on single scattering model and combined with atmospheric scattering theory,a non-line-of-sight rescattering model is established.The scattering phase function（named Rayleigh scattering and Mie scattering） as the ultraviolet communication is conducted in the case of two typical situations is analyzed.By comparing the impulse response of the single scattering model and rescattering model,the rationality of the rescattering model is demonstrated.The impact of the scattering phase function on the system performances such as impulse response and the energy density is considered when establishing the rescattering model.The simulation results indicate the feasibility of UV non-line-of-sight communication.The influence of different weather such as fog and rainy on the system performance is obtained.
作者 侯倩 李晓毅 李子 肖文林
机构地区 重庆通信学院
出处 《现代电子技术》 2011年第5期59-62,共4页 Modern Electronics Technique
关键词 紫外光 非视距 二次散射模型 散射相函数 脉冲响应 UV non-line-of-sight rescattering model scattering phase function pulse response
分类号 TN929-34 [电子电信—通信与信息系统]
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参考文献21

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二级参考文献11

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共引文献25

同被引文献14

  • 1邵铮铮,张里荃,常胜利.非视线光传输模型的研究状况[J].红外与激光工程,2006,35(z1):495-500. 被引量：1
  • 2冯涛,陈刚,方祖捷.非视线紫外光散射通信的信道特性[J].红外与激光工程,2006,35(z2):226-230. 被引量：4
  • 3Chen Gang,Xu Zhengyuan, Sadler B M. Experimental demonstration of ultraviolet pulse broadening in short- range non-line-of-sight communication channels [J ]. Opt. Express, 2010, 18(10).. 10500-10509.
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  • 6Chen Gang. Path loss modeling and performance trade- off study for short-range non-line-of-sight ultraviolet communication free-space optical communication [J]. IEEEJ. Selected Areas in Commun., 2009, 27 (9): 1535-1544.
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  • 8胡昊,王红星,徐建武,刘敏.极大似然判决下大气无线光脉冲位置调制差错性能[J].光电工程,2010,37(5):74-79. 被引量：2
  • 9宋超,徐智勇,汪井源.非视距多次散射信道仿真分析[J].激光与光电子学进展,2011,48(7):46-51. 被引量：8
  • 10范静涛,丁莹,姜会林,佟首峰,韩成.紫外光通信的散射信道简化模型[J].红外与激光工程,2012,41(4):1028-1033. 被引量：9

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现代电子技术
2011年 第5期

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