【摘要】 为了降低大气激光通信信道传输误码率,将Turbo码编码技术引入到大气激光通信系统中.通过对大气激光通信信道的分析,采用Turbo码对信道进行了编码,并对编译码系统进行了修正,建立了基于大气激光通信信道的系统模型;分析了迭代次数对大气激光通信系统性能的影响.仿真结果表明,Turbo码的迭代次数对所构建的系统性能有着显著的影响.更多还原

【Abstract】 In order to reduce the BER in wireless optical communication,Turbo code is used in the paper.Based on the analysis of the atmospheric channel,Turbo is used to code the channel and modify the system of coding and decoding.Then the system model is built up based on the atmospheric channel.The influence of different iterative times is analyzed.The result shows that the iterative times have enormous effects in Turbo coded system.The research is an important foundation for wireless optical communication system.更多还原