Now, in many parts of the world, when you hire a car, you get a navigation system — a little electronic map on a screen with a machine voice.
目前在世界的许多地方，你在租用汽车时都会获得一个导航系统，它是显示在屏幕上的一张小型电子地图，可以发出机器声音。
A map can define the navigation hierarchy for a help system or the sequence and nesting of topics in a book.
映射可以定义帮助系统的导航层次结构，或者图书中主题的先后顺序和嵌套。
It is the foundation of gravitational passive navigation and has considerable value on the gravitational map matching and the correction of navigational errors inherent in INS system.
所做的研究是实施重力无源导航定位的基础，对下一步的重力图匹配及导航误差的修正具有重要的意义。
Such system consists of two sub-systems:one is the topic map based explicit knowledge navigation system and the other is the interpersonal network based tacit knowledge navigation system.
该系统分为基于主题地图的显性知识导航，及基于人际网络的隐性知识导航两个部分。
The vehicle moving experiment illustrates that map match and GPS renew arithmetic may improve the performance of navigation system obviously evidently.
车辆行进实验表明：地图匹配和GPS更新算法可以使系统导航性能得到明显改善。
An improvement of map matching method for vehicle navigation system is presented.
本文提出了一种用于车辆导航的地图匹配算法。
To effectively describe the real road network and improve the efficiency of vehicle navigation system, a road network model in digital map is created.
为了有效地描述实际道路网络，提高汽车导航系统的运行效率，建立了一种新的电子地图的路网模型。
Putting an emphasis on the navigation system of the open hypermedia system, the paper establishes a structural map.
重点研究开放式超媒体系统的导航系统，构建导航系统结构模型。
The automobile navigation system is an important part in this design. This paper investigates GPS location, GIS navigation and description methods and data structure of navigation electronic map.
车载导航系统是本设计的重要功能组成部分，本文深入讨论了车载定位导航技术的理论基础：全球定位系统GPS与地理信息系统GIS，以及电子地图的表达方式和数据结构。
Artificial data map is an important part of the terrain aided navigation system.
人工数字地图是地形辅助导航系统的重要组成部分。
The ways and means for the solution to the problems existing in the navigation system are proposed, and the DGPS technology and the method of matching the map are also introduced.
对导航服务中存在的问题提出了解决的途径，并介绍了伪距差分技术和地图匹配方法。
It can reduce the error of the inertial navigation system when using Iterative Closest Contour Point (ICCP) algorithm for track matching on the gravity map, however it brings large computation costs.
利用迭代最近等值点(ICCP)算法对重力图上的航迹进行匹配可以减小惯性导航系统误差，但计算量大。
The component parts and main functions of the electronic map system of automobile navigation are analyzed in this paper .
本文分析了车载电子地图系统的组成和基本功能；
The component parts and main functions of the electronic map system of automobile navigation are analyzed in this paper .
本文分析了车载电子地图系统的组成和基本功能；
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