Essay On Automatic Train Protection

Essay About Primary Order And Automatic Train Protection
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Li Report Essay Preview: Li Report Report this essay TRANSMISSION The medium that used in tranmit some signal; Copper Fiber optic There are some factors for analog system to change to the digital system; Resistance Inductance. Capacitance. Noise Cross talk. Analog system unit; Hz Have amplitude, fresuency and phase which not synchronous. Depends on pitch..

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