专用通信有线传输系统的方案研究

Research programme of communications cable transmission system

传输系统是城市轨道交通正常运行必须的信息传输载体和基础网络。本文针对目前几种专用通信有线传输系统技术方案进行探讨研究，并对其技术经济。网络结构、自愈保护方式等方面进行比较，以供轨道交通监控系统建设参考。

Transmission system is a necessary information transmission carrier and basic network of urban rail traffic system, In this paper, several wire transmission technologies of special communication are studied, and their technical economy, network structure and self-healing protection mode are compared. These research results have some important reference value for the construction of rail traffic monitoring system.