摘要
车载终端通过GPS外接天线接收GPS信号,由串口将此信息传送给主机,主机解算出车载当前的经度、纬度、速度、时间、状态等信息,一方面为电子地图提供地理位置信息,将车载的位置在终端实时显示出来;另一方面将信息打包通过GPRS发送给监控中心,提供监控所需的原始数据。文中介绍了车载终端的组成,重点阐述了车载的定位及显示技术。
The vehicle termination receives GPS signals via GPS external antenna and sends them to vehicle computer through serial interface port. The vehicle computer will calculate the vehicle＇s current information like latitude, longitude, velocity, time, and status. On one hand, supply geographic information to electronic map for real time display of the vehich＇s location on terminntion and on the other hand, pack the information and transfer them to monitoring center via GPRS, providing the original data needed for monitoring, Introdoces organization of the vchicle temination ,the teehnologies of vehicle＇s positioning and location display are discussed in detail.
出处
《计算机技术与发展》
2006年第11期241-242,245,共3页
Computer Technology and Development
基金
湖北省教育厅资助项目(2002A04002)
