GPS/MM车载导航系统的研究与实现  

Research and Implementation of GPS/MM Vehicle Navigation System

作　　者：方伟骏 黄圣国 

机构地区：[1]南京空航天大学民航学院

出　　处：《微计算机信息》2007年第25期217-218,225,共3页Control & Automation

基　　金：家自然科学基金资助项目(79870032)

摘　　要：车辆导航系统的一项重要功能是将GPS的定位数据在电子地图上精确显示。由于坐标系的差异,需进行坐标转换。定位数据因多种原因存在误差,因此需要合适的地图匹配算法来提高定位精度。依据道路网络的拓扑性,以及自适应加权匹配因子的计算,提出了一种实用的地图匹配算法,并在实践中得到了验证,能够提高定位数据的精度和可靠性。One of the important functions of Vehicle Navigation System is that GPS position data be displayed accurately on the electronic map, We＇d transform the coordinate due to the difference among coordinate systems. With the error of position data because of various reasons, an appropriate map-matching arithmetic is needed to improve the precision of position. According to the topologi- cal feature of road network and the calculation of adaptive power matching factom, a utility map-matching arithmetic is proposed, and having been confirmed in practice, it can increase the accuracy and reliability of the position data.

关 键 词：车辆导航系统 GPS 坐标转换 地图匹配 

分 类 号：TP368[自动化与计算机技术—计算机系统结构]