【摘要】 在讨论GPS(全球卫星定位系统)与GIS(地理信息系统)集成在交通指挥系统中应用的基础上,探讨了系统中电子地图的空间数据组织,卫星定位系统的组成、原理及特点。更多还原

【Abstract】 Based on the application of integration of GPS(Global Positioning System) and GIS(Geographic Information System) in the traffic direction system,the spatial data organization in the electrical map,and the composition,principle and characters of satellite position system in the traffic direction system are discussed.更多还原