本文主要研究外部电磁场对屏蔽双绞线的干扰耦合情况。
This article mainly studies the interference coupling of external electromagnetic field to STP.
在系统主干线通道上采用光纤通信方式，对于分支通信采用屏蔽双绞线以RS-485方式通信，并对网络体系结构作了详细的描述。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
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