直到1985年才出现了真正的集群通信系统(trunked communication system)。这时的集群通信就是我们目前所熟知的概念，它是一种采用多频道中继(trunked)技术的能提供调度电话通信服务功能的专用移动通信系...
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digital trunked communication system 数字集群通信系统
trunked mobile communication system 集群移动电话系统 ; 集群移动通信系统
As one of the most famous kinds of digital trunked communication system, TETRA's efficiency and security have been cared more and more.
TETRA作为最著名的数字集群通信系统之一，其高效性和安全性得到了越来越多的关注。
The digital handset studied in this thesis can provide another resolvent based on TDD for the Trunked communication system and cordless phone system.
本文所研究的TDD数字对讲机，它为无绳电话、集群通信系统提供了另一种基于TDD方式的选择方案。
A digital trunked communication system is applied in Guangzhou Metro Line 2. The composition and merit points of the system and the functions of its principal equipment is introduced.
介绍了数字集群系统在广州地铁二号线的应用情况，从系统构成、主要设备功能及优点等方面进行了介绍。
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