CDMA has been widely used in wireless telecommunication system.
扩频通信在无线通信中得以广泛应用。
Method in wireless telecommunication system; system, transmitter and receiver.
无线通信系统中的方法；系统，发射器和接收器。
The 1st and 2nd generation wireless telecommunication system provide voice traffic and limited data traffic.
第一代模拟和第二代数字系统支持语音通信和有限的数据通信能力。
With the development of wireless telecommunication technology, the demand of people for data services increased more and more.
无线通信技术的飞速发展，人们在移动环境下对数据服务的需求量急剧增加。
Basic knowledge of Embedded Systems and Real Time applications development. Basic knowledge of wireless telecommunication system is plus.
对于嵌入式系统和实时应用软件的开发有基本的了解，具有无线通信的背景知识更佳。
This method based on wireless telecommunication can be wildly used in data transmission from point to point and real time data transmission in field.
这种基于无线通信的方法可以广泛应用于点对点数据传输、野外实时数据采集及传输。
Abstract: In wireless telecommunication, in order to protect communication system from monitoring and steal radio resource by illegal intruder, security is a critical issue for any operator.
摘要：无线通信领域中，每个无线通信系统都很重视空中接口的安全性，防止非法者监听或是盗用系统的空中无线资源。
Wireless communication, which was derived from traditional telecommunication, is creating a totally new industry and updating people's communication way.
无线通信从传统电信业中走出来，携着互联网，正在开拓一个全新的市场，改变着人们的沟通方式。
The computer and modern telecommunication technologies are applied to develop a wireless automatic control system for multiple well for irrigation to realize reasonable utilization of ground water.
利用计算机技术、单片机技术和通讯技术，结合地下水位预报模型，开发研制了井灌区井群无线自动控制系统。
Wireless telephone that permits telecommunication within a defined area that may include hundreds of square miles, using radio waves in the 800-900 megahertz (MHz) band.
允许在数百上千公里的确定区域内通信的无线电话，使用800 ~ 900兆赫(MHz)频带的无线电波。
Compared with traditional mobile telecommunication, special wireless data network has good qualities in constructing cost, frequency-spectrum utilization, reliability and so on.
与传统移动通信系统的数据传输相比，无线专网具有低成本、高频谱利用率、高可靠性等优点。
The research of the subject involves telecommunication technologies such as packet data communication, network designation, mobile location, and wireless networks technology.
本课题研究主要涉及通信领域的分组数据通信、无线接入、系统组网、移动定位等技术。
The paper begins with explaining the national telecommunication network is composed of backbone network and access network, and there are wired access network and wireless access network.
本文先说明国家通信网有骨干网和接入网，而接入网有有线接入网和无线接入网。
The trend of technological development of telecommunication networks is to provide both wired access and wireless access.
有线无线一体化技术是通讯网的发展趋势。
The trend of technological development of telecommunication networks is to provide both wired access and wireless access.
有线无线一体化技术是通讯网的发展趋势。
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