Digital trunking communicationsystem has developed as well .
数字集群通信网络建设初具规模。
Abstract : the radio trunking communications system was integrated into thecontainer management system nbctms by ningbo beilun international containerharbor company limited .
At present , chinasat digital trunking communication network has realized the coverage to many cities such as shanghai , tianjin , jinan , nanjing , qingdao and weifang .
目前，中国卫通数字集群通信网已实现上海、天津、济南、南京、青岛和潍坊等城市的覆盖。
This paper discusses the theory of software radio applied in digital trunking system by studying the basic theories and the key technology of software radio and by analyzing the present development and attainable targets of software radio engineering .
The compiling theory as well as cagm and engineering databases technique is integrated into three dimensional busbar trunking cad system so that it can provide intelligent , integrated and standard solution .
