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1·According to the theory of orthogonal multiplex, frequency division multiplex (FDM) and time division multiplex (TDM) belong to orthogonal multiplex.

根据正交分割理论，现在流行的频率分割制(FDM)和时间分割制(TDM)都属于正交分割的范畴。

2·This paper deals with the system architecture of ST-2 telex switching system and the implementation of Time Division Multiplex Address (TDMA) technique.

本文讨论ST-2用户电报交换机的系统结构以及TDMA技术在交换机中的应用。

3·A transmission protocol is designed against the requirement of exchanging more types information, the time division multiplex transmission in communication channel is realized too.

针对需要交换多种类型信息的要求，设计了传输协议，实现在通讯信道中的多种信息分时复用传输。

4·Wave division multiplex (WDM) is the technique of transmitting more different wavelength of light in one fiber at the same time.

波分复用是在一根光纤上同时传输多个不同光波长的技术。

5·At the same time said invention also discloses a method for implementing time-division multiplex circuit bit width conversion.

耗费很少的逻辑资源，实现起来简单可靠；还可以减小电路处理时延，提高位宽转换的效率。