研究了导航电子地图的设计方法。
准确、实时、全面的导航数据是导航电子地图的灵魂。
The accurate, real-time and comprehensive navigation data is the soul of navigation electronic map.
导航电子地图作为导航系统的重要基础，数据的现势性如何直接影响到导航的准确与否。
Digital navigation map is fundamental part for VNS, so map data actuality will directly exert an influence on navigation accuracy.
道路网信息几何差异的检测在导航电子地图数据更新，数据压缩和质量检查中具有重要的现实意义。
Detecting the geometric difference between the road networks has a realistic significance on the data update, data compression and quality check in navigation map.
本文主要从应用的角度出发，探讨了导航电子地图的数据结构、建立、功能等与智能交通密切相关的问题。
Based on the use of digital map, this paper discussed some problems closely related to ITS such as the data structure, construction and functions of the digital map.
针对这个现状，本文从实际生产出发，介绍了如何在导航电子地图生产制作中利用遥感影像图进行数据制作和信息补充，从而提高生产效率，同时阐述了利用遥感影像进行电子地图更新所面临的问题。
Based on the analysis of existing problem, we introduced a new way that can advance the production efficiency, that is use the remote sensing image to product map data and extract information.
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。
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.
这导致日本的精确的电子地图将与GPS导航系统中所认为的实际位置偏移几米。
As a result, accurate digital maps of Japan will be offset by a number of meters from where GPS navigation systems think they are actually located.
理论分析、计算机仿真及实验表明：该项研究为结合电子地图的高精度陆上定位，以及高精度海上定位导航，提供了可靠的理论依据及简化算法。
It shows that this study provides good theory proof and simple algorithm of high accuracy connecting electronic map in maritime or land over theory analysis, computer simulation and experiment.
我们这些严重依赖电子地图和GPS设备的人，自身的导航技能正因此而一次次地逐渐降低。
All of us who rely heavily on computer maps and GPS devices are exercising our innate navigational skills less frequently and less intensively.
在GPS地面车辆导航系统中，需要将GPS接收机收到的数据在电子地图中实时地显示出来。
In ground vehicle navigation system with GPS, it is necessary that data in GPS receivers be displayed on the digital road map in real time.
针对车载导航系统的需要，提出了一种基于单线模式的车载电子地图模型。
A digital map based on the single line model was developed for in-vehicle navigation systems.
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。
To effectively describe the real road network and improve the efficiency of vehicle navigation system, a road network model in digital map is created.
详细叙述了电子地图的作用、获取以及导航数据库的设计与更新技术。
The function and acquirement of E-MAP, and the design and update technique of navigation database are also put forward in detail.
融合电子地图中的道路数据和GPS所提供的定位数据的地图匹配算法，可以有效地提高车辆导航的定位精度。
The map matching algorism, the fusion of the road data in digital map and the positioning data given by GPS can effectively improve the positioning accuracy in navigating system for vehicle.
GPS汽车导航定位系统由GPS定位系统、电子地图、嵌入式系统组成。
The vehicle Autotracking and Positioning system is comprised of a GPS receiver, a digital map and a embed system.
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。
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.
实验结果表明该电子地图系统简单易行，所占资源小，运行良好，可用在移动设备、导航等领域，具有较好的实用价值。
The experiments indicate the simple and feasible digital map system takes fewer resources and runs good, which can be used in mobile devices, navigation, etc., with good practical value.
用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据，获得动态导航的便利。
The user can rapidly download the data of electronic map relevant to the course this time through data service end of map and get the convenience of dynamic navigation.
用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据，获得动态导航的便利。
The user can rapidly download the data of electronic map relevant to the course this time through data service end of map and get the convenience of dynamic navigation.
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