... lock on circuit 强制同步电路 lock-out circuit 闭塞电路 ground track lock circuit 轨道电路控制的锁闭电路 ...
基于16个网页-相关网页
自动闭塞和机车信号的基础是轨道电路。
The foundation of automatic block and cab signal is track circuit.
通过对现有自动闭塞区间通过信号机容许信号点灯电路存在问题的分析，根据相关规范，提出解决办法。
The paper gives solutions to the problems with lighting circuit of permissive aspect of block signal of existing automatic block section according to relevant specifications.
本文对移频自动闭塞发送设备信息源电路的频率安全性及稳定性进行了分析，并总结出最佳设计方案。
The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequency shift, and an optimum design scheme is concluded.
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