光纤数字通信探测电路的最佳参数分析

Optimal parameter analysis of optical fiber digital communication detection circuit

光纤通信技术在许多领域有广泛应用。本文介绍光纤通信系统的组成和原理 ,对光纤通信的光电信号、探测电路的噪声、信噪比、最小探测能力和幅度鉴别器的阈值等参数进行了系统分析 ,并对相关参数提供了可靠的设计依据。论文给出的实验结果证明 ,本文对激光单脉冲探测等应用技术有实用价值。

Optical fiber communication technique has wide application. This paper introduces the structure and principle of optical fiber communication system, makes the systematic analysis about optical fiber communication′s opto-electronic signal,noise of the detection circuit,S/N,minimum-detection ability and amplitude discriminator′s threshold value. The reliable base of design for coherent parameter is provided. Experimental results show that this paper has important value for single laser pulse detection system.