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不同天顶角的星地信道光链路误码率分析 被引量：2

Analysis of laser link BER of satellite-to-ground channel with different zenith angle
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摘要 把复杂的大气衰减和湍流效应分别等效为链路的功率损耗和接收机噪声,建立了星地级联信道光链路模型,分析了不同天顶角下大气衰减和湍流对链路误码率的影响。数值仿真结果表明:大气衰减和湍流均造成链路误码率的增大,小天顶角情况下,链路误码率对大气湍流更为敏感;而大天顶角情况下,大气衰减是造成链路误码率急剧增大的主要原因。 The laser link modeling of satellite-to-ground concatenated channel is presented,regarding the complicated atmospheric attenuation and turbulence as an equivalent link power loss and receiver noise respectively.The link BER with difference zenith angle,affected by atmospheric attenuation and turbulence,is analyzed by numerical simulation.The result shows： both attenuation and turbulence make link BER rising;BER is more sensitive to atmospheric turbulence with small zenith angle,but atmospheric attenuation is the main cause of the sharply increment with large zenith angle.
作者 姜晓峰 赵尚弘 李勇军 王翔 侯睿
机构地区 空军工程大学电讯工程学院
出处 《光通信技术》 CSCD 北大核心 2011年第5期60-62,共3页 Optical Communication Technology
关键词 星地光链路 大气衰减 大气湍流 天顶角 误码率 satellite-to-ground laser link atmospheric lase
分类号 TN929.11 [电子电信—通信与信息系统]
  • 相关文献

参考文献6

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共引文献17

同被引文献12

  • 1Lothar Moeller,John Federici,Ke Su.THz wireless communications:2.5 Gb/s error-free transmission at 625 GHz using a narrow-bandwidth 1 m W THz source[J].IEEE Photonics Technology Letters,2011,9(2):259-261.
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  • 3Ho-Jin Song,Tadao Nagatsuma.Present and future of terahertz communications[J].IEEE Transactions on Terahertz Science and Technology,2011,1(9):256-263.
  • 4J Antes,J Reicharty,D Lopez-Diaz.System concept and implementation of a mm W wireless link providing data rates up to 25 Gbit/s[J].Electronics Letters,2013,46(9):34-40.
  • 5H-J Song,K Ajito.24Gbit/s data transmission in 300 GHz band for future terahertz communications[J].Electronics Letters,2012,48(7):31-37.
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光通信技术
2011年 第5期

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