复杂环境下时变信道下的激光通信系统传输性能分析
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摘要
针对当前激光通信系统传输性能分析方法存在的运行时间长,分析精度低的问题,设计了一种基于时变信道下的激光通信系统传输性能分析方法,首先对当前激光通信系统传输性能分析方法的工作原理进行分析,并找到当前运行时间长,分析精度低的原因,然后分析光网络信道中激光传输的衰减特点,并建立了一种时变信道下的激光通信系统传输性能分析方法,最后进行了激光通信系统传输性能分析仿真实验,结果表明,本文方法可以提高的激光通信系统传输性能分析精度,对时变信道具有较强的适应性,激光通信系统传输性能分析时间短。
Aiming at the problems of long running time and low analysis precision in the current transmission performance analysis methods of laser communication systems,a transmission performance analysis method of laser communication systems based on time-varying channels is designed. Firstly,the working principle of the current transmission performance analysis methods of laser communication systems is analyzed,and the problems of long running time and low analysis accuracy are found. Then,the attenuation characteristics of laser transmission in optical network channel are analyzed,and a transmission performance analysis method of laser communication system in time-varying channel is established. Finally,the simulation experiment of transmission performance analysis of laser communication system is carried out. The results show that the proposed method can improve the transmission performance analysis accuracy of laser communication system,and has strong adaptability to time-varying channel. Laser communication transmission system performance analysis time is short.
Aiming at the problems of long running time and low analysis precision in the current transmission performance analysis methods of laser communication systems,a transmission performance analysis method of laser communication systems based on time-varying channels is designed. Firstly,the working principle of the current transmission performance analysis methods of laser communication systems is analyzed,and the problems of long running time and low analysis accuracy are found. Then,the attenuation characteristics of laser transmission in optical network channel are analyzed,and a transmission performance analysis method of laser communication system in time-varying channel is established. Finally,the simulation experiment of transmission performance analysis of laser communication system is carried out. The results show that the proposed method can improve the transmission performance analysis accuracy of laser communication system,and has strong adaptability to time-varying channel. Laser communication transmission system performance analysis time is short.
引文
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[2]巩稼民,李晨,姜小波,等.雾环境下非视距日盲紫外光通信链路路径损耗研究[J].半导体光电,2016,37(1):87-90.
[3]郑羽,付孝洪,高宇,等.水温对XCTD剖面仪单模光纤传输信道影响的研究[J].海洋通报,2015,34(2):197-201.
[4]黄爱萍,张莹珞,陶林伟.蒙特卡洛仿真的水下激光通信信道特性[J].红外与激光工程,2017,004(4):219-224.
[5]PAL A,DHAR A,GHOSH A,et al.Sensors for Harsh Environment:Radiation Resistant FBG Sensor System[J].Journal of Lightwave Technology,2017,PP(99):1-1.
[6]李扬,赵海涛,唐紫浩,等.车辆自组织网络中基于信道传输环境的网络连通性能[J].电信科学,2016,32(12):99-103.
[7]胡顺仁,王元,梁快,等.基于压缩感知的特高压输电塔实时监测系统数据传输方法研究[J].电测与仪表,2015,52(7):81-85.
[8]王顺天,吴正茂,吴加贵,等.基于半导体环形激光器的高速双向双信道混沌保密通信[J].物理学报,2015,64(15):152-162.
[9]王艳,王东,焦彦军,等.中压配电网中电气设备对PLC信道传输特性的影响[J].电力电容器与无功补偿,2017,38(3):127-133.
[10]王玉文,董志伟,周逊,等.THz固定无线链路在大气中的特性[J].强激光与粒子束,2016,28(3):160-166.
[11]王东,王艳,焦彦军,等.基于局部反射理论的中压配电网电力线通信信道建模法[J].电力系统自动化,2017,41(2):178-183.
[12]王磊,郝士琦,张岱,等.离散速率条件下的大气激光通信自适应调制编码系统性能[J].光学学报,2017,37(7):50-57.
[13]WANG G,GAO Y,WANG J,et al.Study on the color merging of white light and transmission properties of wavelength division multiplexing visible light communication system based on RGB light-emitting diodes[J].Optical Engineering,2016,55(10):6110-6115.
[14]冷鹏,曹静,陈巍婷.基于TDMA起伏追踪机制的LTE网络数据传输优化算法[J].量子电子学报,2017,34(4):499-506.
[15]CUI Y,QING J,GUAN Q,et al.Stochastically Optimized Fountain-Based Transmissions Over Underwater Acoustic Channels[J].IEEE Transactions on Vehicular Technology,2015,64(5):2108-2112.
[16]刘侠,金东日,胡勤友.水上宽带甚高频(B-VHF)无线通信系统的性能分析[J].电子技术应用,2016,42(11):92-94.
[17]崔波,刘璐,李翔宇,等.隐藏有限字符特性的跳空安全传输方法[J].电子学报,2015,43(5):940-947.
[18]李绍辉,孙学金,颜万祥,等.双基地激光通信大气信道参数研究[J].激光与红外,2016,46(9):1040-1044.