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A ROAD NETWORK DATA MODEL AND ITS APPLICATION IN VEHICLE NAVIGATION SYSTEM

机译:道路网络数据模型及其在车辆导航系统中的应用

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This paper presents a study on road network data model and its application in the vehicle navigation. Traffic network has many characteristic attributes, such as lane, cloverleaf junction and turn restrictions, which distinguish road network from general category of "directed graphs". The characteristic attributes are significant to many operations in the vehicle navigation system. However, traditional Geographical Information System (GIS) only describes the general network topology relationship, which can't satisfy the applied requirements in vehicle navigation system. So a road network data model is proposed in this paper, based on analysis of the characteristic attributes of traffic network.
机译:本文对道路网络数据模型及其在车辆导航中的应用进行了研究。交通网络具有许多特征属性,例如车道,立体交叉路口和转弯限制,这将道路网络与“有向图”的一般类别区分开来。特征属性对于车辆导航系统中的许多操作是重要的。然而,传统的地理信息系统(GIS)仅描述了一般的网络拓扑关系,无法满足车辆导航系统中的应用需求。因此,在分析交通网络特征的基础上,提出了一种道路网络数据模型。

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