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基于混合噪声模型的自由空间光通信性能 被引量：1

Performance analysis of free space optical communications based on hybrid noise model
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摘要 针对自由空间光通信系统中光子计数技术,研究通信过程中混合噪声的影响,综合考虑相干辐射、热辐射、背景辐射及大气湍流的影响并进行系统建模,推导了基于混合噪声模型的二进制振幅键控调制方式下误码率计算方式,并通过计算机蒙特卡洛仿真结果验证了所提出算法的正确性,此外仿真结果表明大气湍流和噪声是影响自由空间光通信性能的主要因素。 The influence of hybrid noise on Free Space Optical（FSO） communications systems that use photon counting is studied.The system is modeled with the consideration of coherent radiation,thermal radiation,background radiation and atmospheric turbulence.The Bit Error Rate（BER） with modulation of On-Off Keying（OOK） is deduced based on hybrid noise model.The validity of the proposed algorithm is proved by using Monte Carlo simulation.The simulation results show that the atmospheric turbulence and the noise are the main influence factors.
作者 屠艳菊 周小林 张惠俊 刘俊
机构地区 复旦大学通信科学与工程系 复旦大学应用数学系
出处 《信息与电子工程》 2012年第6期649-653,共5页 information and electronic engineering
基金 国家高技术研究与发展计划资助项目(863)(2011AA100701) 国家自然科学基金资助项目(60802011) 国家科技重大专项基金资助项目(2012ZX03001013-004 2011ZX03003 2010ZX03002)
关键词 自由空间光通信 光子计数 大气湍流 热辐射 背景辐射 Free Space Optical（FSO） photon counting atmospheric turbulence thermal radiation background radiation
分类号 TN929.1 [电子电信—通信与信息系统]
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参考文献11

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二级参考文献24

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共引文献11

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二级引证文献39

信息与电子工程
2012年 第6期

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