对于一个实用的车载导航系统，最优路径规划是其必备的十分重要的功能，而道路网络拓扑结构的构建又是最优路径规划的基础。
The optimum route planning is one of the best necessary functions for an applied vehicle navigation system which is based on the establishment of the topological structure of the road net.
采用邻接结点关系矩阵和邻接结点权矩阵表达路网中结点和路段的拓扑关系，减少了路网的存储空间。
The topological relationship of nodes and road sections in road network was expressed by adjacent node relation matrix and adjacent node weight matrix, which saved the storage space.
同时为方便计算路网的拓扑性，又重点探讨了交叉路口转弯的八位描述方法。
Besides, the method of eight bits depicting for transition description of the crossroad is discussed as a keynote because of the convenient calculation for the topology relationship of road network.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
Small world model provides a new aspect and method for exploring the topological structure and intrinsic characters of urban road network.
本文针对高分辨率遥感图像提出了一种基于拓扑特性的道路网自动提取算法。
This paper presents an automatic extraction algorithm of extracting road network from high-resolution aerial and remote sensing images.
采用道路网数据库对电子地图进行存储，对于得到地图上若干送货点及配送中心的拓扑关系十分有效。
It's very effective to get the topological relationships between distribution destinations and a physical distribution center when we use the road net database.
首先建立了运动链的等效电路模型，将运动链的拓扑结构关系等效为电路网络的拓扑约束关系。
The equivalent circuit models of kinematic chains are established firstly, which make the topological relationships of kinematic chains equal to the topological restriction of circuits.
本文针对农村公路网的地图表示及网路拓扑结构的提取和构建这两项关键技术，提出了一种新的高效实用的解决方案。
This article put forward an efficient scheme aimed at map express of country road network and construction of network topology structure.
目前，基于路段中心线的二维道路网络模型已经普遍存在，但其在几何特征及拓扑关系表达等方面都难以满足复杂交通系统的需求。
The information of centerlines can not cover the changes of lanes, and the two-dimensional model is also inadequate in the expression of three-dimensional transportation networks.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
The objectives of city road network planning and shortcomings of the available programming models were analyzed.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
The objectives of city road network planning and shortcomings of the available programming models were analyzed.
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