【作者】 刘磊；

【导师】 胡建国； 韩晓冬；

【作者基本信息】 山东科技大学 ， 大地测量学与测量工程， 2004， 硕士

【摘要】 近年来，GPS(Global Positioning System)全球定位系统逐步应用于各种行业。特别是在车辆监控与调度系统中的应用更是蓬勃发展。车辆监控与调度系统是应用自动车辆定位技术、地理信息系统与数据库技术、计算机技术和现代通信技术的高科技综合系统。目前可以使用的定位技术非常多，包括GPS、DR和无线电定位，他们的特点各有优缺点；通讯方式也是同样，目前可以选用的通讯方式有：无线电集群通讯、GSM通讯、中国移动的GPRS和中国联通的CDMA。选用什么样的定位技术和通讯技术以及如何把这些技术实际应用到车辆监控与调度系统中是本论文主要研究的内容。在实际，试验和论文调研中，根据车辆监控与调度系统的实际特性分析了各种定位方式的精度和适用范围以及使用成本，选取了GPS作为本系统的定位方式，并且作了使用精度上的分析。在通讯方式的选取上，主要根据车辆监控与调度系统的“实时性要求高，数据量比较小”的特点选取了GPRS(General Packet Radio Service)通用无线分组服务方式作为本系统的主要通讯方式。在系统建设过程中，使用嵌入式CPU把GPS定位装置和GPRS通讯终端结合起来制作了车辆监控与调度系统的终端设备，最后使用GIS地理信息技术、数据库技术以及TCP／IP网络技术建立起了车辆监控与调度系统的中心软件系统，并且在实际工程中得以实施。更多还原

【Abstract】 In recent years, GPS (Global Positioning System) the global positioning system gradually applied to each profession. Specially in the vehicles monitoring and the dispatch system application is the vigorous development. The vehicles monitoring and the dispatch system are the application automatic vehicles localization technology, the geographic information system and the data bank technology, the computer technology and the modern communication high tech system ensemble. At present may use the localization technology are extremely many, including GPS, DR and the radiolocation, they respectively has the characteristic; The communication way also is same, at present may select the communication way includes: The radio colony communication, the GSM communication, China Mobile GPRS and China Unicorn’s CDMA. How selects any type the localization technology and the communication technology as well as in these technology practical application vehicles monitorings and the dispatch system is the present paper main research content. In is actual, in the experiment and the paper investigation and study, has analyzed each kind of locate mode precision and the applicable scope as well as the use cost according to the vehicles monitoring and the dispatch system objective parameter, selected GPS to take this system the locate mode, and has made in the use precision analysis. In in the communication way selection, mainly "timeliness requests high according to the vehicles monitoring and the dispatch system, the data quantity quite is small" the characteristic selected GPRS (General Packet Radio Service) the general wireless grouping service way to take this system the main communication way. In the system construction process, the use inserted type CPU unifies the GPS positioning device and the GPRS communication terminal has manufactured the vehicles monitoring and the dispatch system terminal device, finally used the GIS geography information technology, the data bank technology as well as the TCP/IP network technology establishes the vehicles monitoring and the dispatch system central software system, and could implement in the actual project.更多还原