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通讯模式
    Research on electric supervisory system multi-layer of distributed communication modes
    电力系统分层分布式监控通讯模式的研究
    The Design and Implement of the Vehicle Monitoring and Dispatching System of Various Communication Modes Based on GPS/GIS/GSM
    基于“3G”的多通讯模式的车辆监控调度系统的设计与实现
    We adopted Various Communication Modes in this system, used the GSM AT instructions and CMPP by combining Internet and the network of Wireless Transmission to realize the transmitting and receiving of short message service.
    本系统的无线通讯链路采用了多种通讯模式,利用GSM AT指令集实现了监控中心和车载单元之间的无线通讯,利用CMPP协议,通过针对互联网短消息网关编程,实现监控中心向各受控车辆的交通信息发布。
    The vehicle monitoring and dispatching system of various communication modes based on the GPS/GIS/GSM designed in this paper is made up of the vehicle unit, wireless communication system and controlling center.
    本文所设计的基于“3G”的多通讯模式的车辆监控调度系统主要由车载单元、无线通讯链路和监控中心三部分组成。
    The successful application of the vehicle monitoring and dispatching system of various communication modes based on the GPS/GIS/GSM will consumedly increase the traffic ability of the road and the safety of the operational vehicle, and strengthen the ability of handling accidents. It can help effectively lower the vehicle's empty carrying rate, and improve the operational benefit of the vehicle.
    基于“3G”的多通讯模式的车辆监控调度系统的成功应用,将在很大程度上提高道路通行效率及车辆运行的安全性,将对增强车辆管理部门处理突发事件的能力,降低出租车的空载率以及提高车辆的运营效益方面提供很大的帮助。
    The precise definitions of synchronous and asynchronous communication modes are described in this paper.
    总结和提高了同步和非同步通讯模式的描述性文字定义,并给出了其精确的数学定义.
 

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