计算机仿真结果表明，RS编码和交织技术非常适合空间光通信信道，能大大降低系统的误码率。
The results of simulation show that RS coding and interleaving are fit for the channel of space laser communication, and can largely decrease bit error rate(BER).
高速光纤通信系统的研究是当前光通信领域的一大热点，信道编码技术是其中的一项关键技术。
The research of high speed transmission system is a hot topic in the optical communication field and one of the key technologies is channel coding.
本文旨在研究大气随机信道对光通信链路的影响。
The purpose of this thesis is to research on effect of atmospheric random channel to optical communication.
针对大气信道对大气激光通信的质量有很大影响，设计了一种光电复合的光ppm偏振调制硬件系统。
Since atmosphere signal path has a great influence on the laser atmosphere communication quality, a Photo-electrical PPM Polarization Modulation system is designed.
通过研究几种发射脉冲的一次反射和二次反射的接收波形以及它们的误码率特性，研究了信道多径失真对室内无线光通信的影响。
The paper researches the received waveform and the characteristic of BER in one refection and twice refection, studies the influence of multipath distortion on the transmitted pulse.
实际星地光通信系统的发射光束为高斯型的情况下，跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
目前对无线光通信系统在大气信道中应用LDPC码的研究少见于文献。
For the time being, there is little research of applying LDPC codes to the atmospheric wireless optical communication.
本文讨论主串信道与被串信道时同步误差效应对波分复用光通信系统误码率的影响，提出一种考虑串扰信道时同步误差效应的系统误码率的计算方法。
The effects of error in timing synchronization on WDM system's error rates are discussed. A calculation method of system's error rates taking such effects into account is proposed.
本文讨论主串信道与被串信道时同步误差效应对波分复用光通信系统误码率的影响，提出一种考虑串扰信道时同步误差效应的系统误码率的计算方法。
The effects of error in timing synchronization on WDM system's error rates are discussed. A calculation method of system's error rates taking such effects into account is proposed.
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