车辆定位和导航系统专用数字地图数据库发展状况

The Current Situation of Special Digital Map Database for Locationand Navigation System of the Vehicle

以目前最具代表性的专用地图数据库为例 ,介绍了目前美国智能运输系统 ( ITS)中的车辆定位和导航系统专用数字地图数据库发展状况。

Taking for example the most representative special map databases,this paper introduces the current situation of special digital map database for location and navigation system of ITS in the U.S.A.