Description
长线传输干扰:在计算机控制系统中,现场信号到控制计算机以及控制计算机到现场执行机构,都需要一段较长的线路进行信号传输,即长线传输。对于高速信号传输的线路,即在高频信号电路中,多长的导线可作为长线,取决于电路信号频率的大小,在有些情况下,可能1m左右的线就应作为长线看待。
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