the topic of this thesis is pre-research of tetra digital trunked communication system design.
本课题的主要任务是,tetra数字集群通信系统终端设计的预研工作。
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 description is given of construction process and issues for consideration for tetra digital trunked communication system.
以秦沈客运专线为例,从施工技术角度论述tetra数字集群通信系统的施工过程及注意事项等。
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。