分子光谱技术在食品安全分析领域的应用.docx

用户所在道路。经过多次动态实验表明,本文提出方法正确有效,与传统 ITS地图匹配方法相比,实际道路识别正确率更高,相应定位精度在一定程度上也得到了提高,较大地改善了地图显示效果。
本文将改进的统计概率地图匹配算法应用到了校园3D导航系统上。以校园环境为虚拟现实场景,校园道路构建路网,形成一个小的景区,并以此作为该算法的仿真实验环境。定位结果快速准确,移动定位稳定灵敏, 表明改进算法正确有效,有较大的应用价值。
关键词:GPS,地图匹配,统计概率,评分规则,景区导航
万方数据
ABSTRACT
GPS MAP MATCHING TECHNOLoGY RESEARCH
AND ITS APPLICATIoN IN SCENIC NAVIGATION
ABSTRACT
Recent years have witnessed a rapid growth of smart and applications have been brought out in the SO far as the status, these applications are not SO good and can be improved a lot 01"1 both navigation experience and positioning Map matching technique is matching algorithm(MMA)has been widely applied in intelligent transportation systems,locating the vehicle on the road through bination of positioning systems and digital road algorithms are mainly intended for vehicles and not suitable for pedestrians using low cost positioning devices because of plex location environment, vulnerability of location devices and irregular movement of the useL
As to the problems mentioned research has made some improvement and optimization on electronic map,road segment identification and user location update,according to the characteristic of scenic navigation.
Firstly,this paper propose an extended design of electronic on conventional map design,we consider the width