给出一种基于脉冲编码调制原理实现高速数字传输系统中低速设备接入的方法。
On the basis of PCM Encoding Theorem, a method for low rate equipments' imported into high rate digital transmission systems is given.
给出一种基于脉冲编码调制原理实现高速数字传输系统中低速设备接入的方法。
On the basis of PCM Encoding Theorem, a method for low rate equipments' imported into high rate digital transmission systems is given.
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