摘要
阐述了车载导航系统中GIS的作用,分析了GIS用于车载导航的关键技术问题,包括导航地理数据的构建与更新、路径规划与行驶引导,以及地图匹配等,阐明了导航地理数据在导航应用中的重要作用。
GIS and geo-spafial data are very important for vehicle navigation system. The role of GIS in vehicle navigation system is described and three key technical issues are analyzed including the construction and update of navigable geographic data, route plannilag and guidance, and map matching. Among them, the construction and update of navigable geographic data is a foundation and almost every kind of navigation functions have to be based on it.
出处
《地理信息世界》
2009年第5期64-68,共5页
Geomatics World
关键词
车载导航系统
GIS
导航地理数据
vehicle navigation system
GIS
navigable geographic data
