digital trunking 数字集群
digital trunking system 数字中继系统
tetra digital trunking tetra数字集群
digital trunking systems 数字集群系统
digital trunking terminal 数字集群手机
digital trunking communications 数字集群通信
Digital Trunking Communication 数字集群移动通信系统
GoTa digital trunking system GoTa数字集群系统
CDMA digital trunking communication system is the communication system based on CDMA2000 1x evolution, it provides new telecommunications services with CDMA technology.
CDMA数字集群是基于CDMA2000 1x技术而演进的通信系统,在CDMA通信网络基础上提供新的电信业务。
参考来源 - 基于CDMA的数字集群终端技术及实现方案Digital trunking telecommunication develops quickly these years. It has characters of fast access,secret communication,highly efficient dispatching and sharing resources.
数字集群通信近年来在我国发展迅速，其本身具有接入快捷、通信保密、调度高效、共享资源等特点。
参考来源 - 北京数字集群通信需求及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Install electromechanical, analog and digital trunking systems, circuits and equipment in telecommunications central offices and switching centres.
在电信中心办公室和交换中心安装工机电，模拟和数字集群系统，电路和设备。
Terminal based on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
基于TETRA数字集群移动通信系统开发的TETRA终端，通过数据业务可以发送和接收状态消息和短数据业务消息，利用短数据业务完成终端导航定位功能。
A kind of modified packet reservation random access protocol for digital trunking systems is studied, which could reduce collisions among packet reservations and increase the system's throughout.
针对数字集群移动通信系统，提出一种新的随机预约控制方式，减小了预约分组信号冲突发生，提高了系统的吞吐量。
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