本文主要介绍了汽车导航系统中的导航地理数据库标准、数据结构与数据模型、最优路径三个问题。
This paper mostly introduce three issues of Vehicle Navigation System, that are navigation geographic database standard, data structure and data model, superior road.
但针对南极地区这一基础地理信息缺乏，环境特殊的科考导航系统的开发研究却极其少见。
This paper designed the navigation service system which is able to be applied to the exploration activity on the Antarctica from Zhongshan station to DOME-A inland icecap.
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.
利用了一种管道地理位置测量的有效方法，即GPS/INS组合导航系统，对组合导航系统的实验数据进行了分析。
The experiment data of GPS/INS integrated navigation system as well as main error source of inertial parts has been analyzed.
本论文中设计的基于天鸿网的车辆监控调度系统是集北斗卫星导航系统、地理信息系统、神州天鸿民用网管系统于一体的综合车辆管理系统。
Based on CTC (Chinatopcom) network, that system noted in this paper applied the Beidou satellite navigational system, geographic information system as well as the CTC system together.
阐述了基于全球定位导航系统、地理信息系统技术支持的电力导航抄表系统作为一种新的抄表方式可以有效解决抄表工作中遇到的一些问题。
Based on GPS and GIS technology, electric navigation meter-reading system as a new kind of meter-reading method can effectively solve the problems in meter reading.
有效的路径查询处理是地理信息系统、导航系统及计算机网络等高级应用中的一个关键需求。
Efficient path query processing is a key requirement for advanced applications including GIS (Geographic Information systems), navigation systems, and computer networks.
有效的路径查询处理是地理信息系统、导航系统及计算机网络等高级应用中的一个关键需求。
Efficient path query processing is a key requirement for advanced applications including GIS (Geographic Information systems), navigation systems, and computer networks.
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