管线的信号和电源为分开，虽然是弱电，但是严格要求是必须强、弱电线管分开敷设。
Pipeline signal and power supply for the separation, although it is weak, but strict requirements must be strong.
提出了城市轨道交通采用弱电系统后备电源整合与智能化计时配电管理的设计理念，并在深圳地铁3号线中应用。
This paper introduces the integration of UPS and intelligent time distribution technique of weak current systems in rail transit and its application in Shenzhen Metro Line 3 .
根据电源种类的不同，检测电路可分为恒流式混动态微弱电信号检测电路和恒压式混动态微弱电信号检测电路两种。
According to the different types of power supply, there are chaotic state weak signal detection circuit of constant-current and chaotic state weak signal detection circuit of constant-voltage.
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