指出数字移动通信网的安全策略；
The security methods in mobile communication network are pointed.
此平台将主要用于数字移动通信手机基带算法开发。
This platform will be used for the development of baseband arithmetic of digital mobile telephone.
本文针对移动信道的特性，综述了分集技术在数字移动通信中的应用。
In this paper applications of diversities directed against the property of the mobile channel for communications are summarized.
介绍在数字移动通信中小区广播业务的技术实现原理，业务种类及发展前景。
Introduce the technology of cell broadcast service in the GSM digital mobile communication system as well as its service application and future development prospect.
因此在卫星通信、数字移动通信、保密通信、语音邮件等方面都有广泛的应用。
Therefore it is widely used in the aspects of satellite communication, numeral mobile communication, privacy communication and pronunciation mail.
从电信网络管理和数字移动通信网络管理入手，介绍了通信网络管理的普遍性。
Starting with the introduction of telecom network management and digital mobile communication network management, it shows us the universality of communication network management.
本文讨论了数字移动通信系统对调制技术的要求，着重分析了数字线性调制及其改进方案。
The requirements for modulation techniques to digital mobile communication system are presented and the improved lineally digital modulation schemes are also briefly described.
在数字移动通信信道模型上，利用计算机模拟，在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with other equalizer algorithms in the characteristics of mean squared error and bit error rate.
在数字移动通信信道模型上，利用计算机模拟，在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with o...
本课题的任务是为采用CDMA技术的数字移动通信系统设计一个应用于基站控制器（BSC）内部的高速数据交换网络。
The task of this research is to design a high speed data switch network which is used in a base station controller (BSC) of a digital mobile communication system based on CDMA technique.
我们为自己是巴基斯坦第一个成为百分之百提供数字移动通信工具的手机服务商，并且为客户提供了最先进的通信解决方案。
We pride ourselves on being the first cellular service provider to operate on a 100% digital GSM technology in Pakistan that also provides state-of-the-art communication solutions to its customers.
先进的数字移动通信技术、sdh光通信系统技术、密集波分复用技术得到广泛采用，宽带综合业务数字网、at m宽带交换系统等高新技术正在网上试验。
Advanced technologies like digital mobile communications, SDH, dense WDM, etc. have found wide application and high and new technologies like B-ISDN and ATM are on trial over the network.
即使智能手机(具备电邮和联网的能力)越来越流行，手机短信仍是移动数字通信的基本，几乎渗透到每一个社会群体。
Even as smartphones (with E-mail and web capabilities) become more popular, SMS remains the baseline of mobile digital communication, and permeates nearly every social group.
本文介绍数字蜂窝移动通信的发展趋势。
The paper describes the development trend of digital cellular mobile communications.
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。
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.
这对于在移动数字通信中，改善由多径效应引起的误码率增高而严重影响通信的传输质量，具有非常重要的指导作用。
It is an important action to improve the propagation quality of communication suffered from rising the BER on multipath propagation in digital mobile radio communication.
解决这些问题的方法是开发新一代数字蜂窝移动通信系统。
To solve these problems is to develop a new generation of digital cellular mobile communication system.
CDPD是以数字分组数据技术为基础、以蜂窝移动通信为组网方式来配置的。
CDPD is based on the digital packet-data technology and arranged in a cellular mobile communications network manner.
着重分析了在码分多址（CDMA）数字蜂窝移动通信系统中的三种用户检测技术。
This paper mainly analyzes three user detection approaches in digital cellular mobile communication systems based on CDMA.
容量的需求是推动CD MA数字蜂窝移动通信开发的主要动力。
The demand for capacity is main motive force to push CDMA digital cellular mobile communications development.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
实际上，数字蜂窝移动通信中的多径衰落信道特性已成为许多理论分析和现场实测的课题，并已得出了许多有价值的结论。
In fact, the characteristics of the multipath fading channel in digital cellular mobile communications have become the research of academic analysis and field measure.
这种新序列可用于数字微波、光纤、卫星、移动通信中作为扰码器或加密器。
The new sequences can be used as the scramblers and descramblers in digital microwave communications as well as optical fiber, satellite and mobile communications.
该流程可作为CD MA数字蜂窝移动通信系统优化的一般流程或参考流程。
This procedure can be used as a fundamental procedure or a reference referential procedure for optimization of CDMA digital cellular mobile communication system.
CAS通信自动化系统，综合布线、宽频网路、移动电话楼内覆盖系统、有线电视及数字程控电话系统。
CAS (communication Automation system) includes cabling system, broadband network system, mobile phone coverage system, cable TV and digital communication system.
第二代移动通信系统(2g)是数字移动系统，能提供低速率数据业务。
Second generation mobile communication system (2g) is digital cellular system which can provide low-speed data business.
ETSI发布的欧洲新一代全数字集群系统TETRA是当今最先进的移动通信系统之一。
The latest generation of the digital trunked system TETRA, which is defined by the European Telecommunications Standards Institute (ETSI), is one of the most advanced mobile communication systems.
全球移动通信系统，使用最广泛的数字手机系统和欧洲事实上的无线电话标准。
Global system for mobile communications, the most widely used digital mobile phone system and the DE facto wireless telephone standard in Europe.
随着嵌入式技术和网络技术的飞速发展，嵌入式通信网络设备如个人数字助理（PDA）、智能化手机和移动电话等应用越来越广泛。
With the fast development of the Embedded and network technology, Embedded communication network devices such as PDAs, smart phones and mobile phones etc, have become more and more popular.
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。
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.
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