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gsm通信网络
    Secondly, the basic technology of CAN field bus controller network, WLAN communication network, the interconnection between CAN and WLAN, GSM communication network, GPS orientation and embedded system are simply discussed.
    之后简单叙述了CAN现场总线网络、WLAN无线局域网、CAN与WLAN互连、GSM通信网络、GPS卫星定位技术和嵌入式系统的基本原理。
    Through discussing wireless channel path loss model and outfield testing experiment, the thesis proposes a location method using the receive signal power and develops a demo system based on the GSM communication system.
    通过对无线信道中路径损耗模型的讨论和外场测试实验,提出了一种利用接收信号功率强度实现定位的方法,并开发出一个基于GSM通信网络的定位演示系统。
    Finally, it proposes the scheme by using the resource of the GSM communication networkThe dissertation is organized as three parts.
    结合演示系统的实际工作情况还给出了一个利用现有GSM通信网络提供的资源实现定位服务的方案。
    Based on analysis of communication modes of automatic hydrological detection and reporting systems at present, the data-collecting software product, in which GSM communication network, the second generation of mobile communication technology, is applied as the communication medium of the hydrological detection and reporting system, is firstly actualized interiorly. Its communication mode is GSM short message received or sent.
    本文在分析现有水情自动测报系统的通信方式的基础上,在国内首先开发了利用第二代移动通信技术——GSM通信网络作为水情自动测报系统的通信媒介,以收发GSM短信息的通信方式进行水情自动测报的数据采集软件产品。
    According to the distribution characteristics of the power network, the system proposed by this paper chooses mature GSM communication network to transmit the detection and control information to solve the problem better.
    基于GSM网络的电力网检测信息系统,根据电力网的分布特点,选择了成熟的GSM通信网络,来传输电力网检测控制信息,较好地解决了这个问题。
    The system realize the bi-directional transmission between remote detection and control unit and the supervision center with the SM transmission function of GSM terminal, meets the requirement that supervision center need to supervise the operation of the power network from remote sites only through GSM communication network.
    该系统利用GSM终端的短信息传输功能,实现了远端检测控制单元与监测中心之间的双向信息传递,满足了监控中心只需通过GSM通信网络,便可对电力网的运行情况进行远程无线监控需要。
    Due to the problem that the Express ways helping telephone device is usually in bad and the user of running vehicle can not obtain the information service,a new information service model based on data network framework and GSM communication framework--Traffic Call Center was given out.
    针对高速公路沿线紧急救助电话难以维护管理以及行驶车辆难以获得信息服务的问题 ,提出了一种基于数据网络和 GSM通信网络平台的紧急救助与信息服务模式——“交通信息呼叫中心”( Traffic Call Center) .
    With the GSM cellular engine embeded into the measurement and control system and specially designed software and hardware, the wireless computer measurement and control system that utilizes GSM communication net to transfer and receive instructions and data settles the above problems completely.
    通过对GSM通信系统的研究,将GSM移动通信终端模块嵌入到测控系统中,设计出相应的软硬件和测控模块,实现了利用GSM通信网络完成计算机测控系统的无线测量与控制。
    The system is composed of measurement module, data concentrator, communication control equipment, GSM data transmitter, computer administration and GSM communication network; and the system management function has been developed under the environment of Visual Basic.
    系统由多电量测试模块、数据集中器、通信控制器、GSM数据传输器、计算机管理中心和GSM通信网络构成,并在VisualBasic环境下开发系统管理功能.
    The principle of the differential GPS(DGPS)and the application of the pseudo-range differential technique to the vehicle navigation system(VNS)are introduced briefly,the VNS and the basic compo- sition of the reference station and navigation vehicle are analyzed,and a type of data transfer and pro- cessing based on GPRS/GSM communication network for GDPS is presented.
    简单介绍了差分GPS和伪距差分技术在车辆导航系统中的应用原理,分析了车辆导航系统及其基准站与导航车辆的基本组成,并介绍了一种基于GPRS/ GSM通信网络的DGPS数据传输与处理过程。
 

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