Aiming at layout of station signal design module which is the key aspect of system, paper presented a detailed design scheme.
针对系统中车站信号平面布置图设计模块这一关键环节，论文给出了详细设计方案。
The problem caused by some factors such as parameters of devices and PCB, layout of devices on PCB and trace of high-speed signal, etc results in the unstable or even none operation of system.
元器件和PCB板的参数、元器件在PCB板上的布局、高速信号的布线等因素，都会引起信号完整性问题，导致系统工作不稳定，甚至完全不工作。
Secondly, it has taken the analysis of the layout and the running in the control of traffic signal, associating with the design of the control of traffic signal.
结合交通信号控制设计，进行了交叉口信号控制的规划分析和运行分析。
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