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在北京市轨道交通亦庄线工程信号系统国产化研究最新成果基础之上,详细分析数据传输系统的结构组成,描述数据通信系统主要功能,重点对数据通信系统有线部分设计进行阐述,包括系统设计需求原则。同时,分析了应用专业通信系统提供的以太网通道为信号系统做骨干传输的工程应用案例,亦对此案例下特殊处理手段进行初步分析。
Based on the latest achievements of localization research of Beijing Yushiazhuang Railway Engineering Signal System, the structure of the data transmission system is analyzed in detail. The main functions of the data communication system are described. The design of the wired part of the data communication system is emphatically described, including the system design requirements in principle. At the same time, this paper analyzes the engineering application case of the Ethernet channel provided by the specialized communication system as the backbone transmission of the signal system, and also analyzes the special processing methods in this case.