1) gsm-system
gsm-系
2) GSM system
GSM系统
1.
Application of smart antenna of switched-beam to GSM system;
预波束成形智能天线在GSM系统中的应用
2.
Finally, it gives an example showing how the GSM system works when a MS is called.
并以一个移动用户作为被叫的完整呼叫流程作为例子,从而给出了GSM系统语音呼叫的完整流程,说明了GSM系统的工作过程。
3.
The GSM system is the most widely used mobile communications system in China,which has large numbers of customers and extremely high coverage.
GSM系统是我国目前应用最广泛的移动通信网络系统,拥有庞大的用户群和广泛的覆盖面。
3) GSM-R system
GSM-R系统
1.
The paper briefs on the current situation of radio communication system both at home and abroad, and discusses GSM-R design scheme of Beijing-Qinhuangdao railway from following points: the necessity to build GSM-R system, building scheme of the system, technology test and secondary development.
简要介绍了国内外铁路无线通信系统现状,从GSM-R系统建设的必要性、系统建设方案、技术试验和二次开发等方面论述了京秦铁路GSM-R系统的设计方案。
2.
This paper expatiate the problems in the exiting networks based on the theory of GSM-R system, and proposed the advices in the network designing, maintenance and the network optimization.
GSM-R系统即铁路综合数字移动通信系统,是中国铁路信息化的发展方面。
3.
Wireless interface of GSM-R system is designed for high-speed railway with the velocity 500km/h, and suitable for the development and requirement of high-speed railway which also meets the demands of new-generation synthetical digital mobile communication network .
GSM-R系统无线接口是为高达500km／h的速度设计的，适合于高速铁路发展的需要，且由于车站、区间和列车控制的一体化，满足了新一代铁路综合数字移动通信网络的需求。
4) GSM
GSM系统
1.
Research on Voice Encryption Technology in GSM;
GSM系统中话音加密技术的研究
2.
The Research Of Increasing The Network Capacity Of The GSM;
增加GSM系统网络容量的研究
3.
The Signalling Analysis and Optimization of Handover Dropoff in GSM System;
GSM系统切换掉话的信令分析及优化
5) GSM system capacity
GSM系统容量
6) GSM cellular system
GSM蜂窝系统
补充资料：系狗当系颈
1.比喻办事当抓住关键。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条