GIS动态实时导航架构

随着我国社会经济的快速发展,科学技术的不断进步,卫星定位、移动通信、计算机技术与地理信息系统（Geographic Information System,GIS）不断融合.通过实时采集交通信息,结合动态导航技术,形成基于手机的动态实时导航系统.系统能够满足交通的时空特性与时变性等要求,主要功能是实现地图管理、实时交通信息、轨迹管理与路径规划,为出行者选择最优路径,进行实时导航,从而提高出行者的出行效率,缓解交通压力.在此基础上,对实时交通信息获取、地图匹配与动态路径规划等关键技术进行研究分析.

Real-time dynamic navigation structure based on GIS

With the rapid development of China＇ s society and economy, the constant progress of science and technology, it promotes continuous integration of satellite positioning, mobile communication, computer technology and geographic information system. And through collecting real-time traffic information combined with the dynamic navigation technology, it forms a dynamic navigation system based on GIS. The system can satisfy the spatial and temporal and time-varying characteristics of traffic, and so on. The main function achieves map management, track management and route planning, chooses the best path and conducts real-time navigation for the travelers. Thereby it can improve the efficiency of traveling and ease the traffic pressure. And on this basis, the paper analyses the real-time traffic information acquisition, electronic map updates, map matching and dynamic route planning, and other key technologies.