随着北斗系统的部署应用,城市应急管理信息系统的导航应用也逐步进入了自主发展阶段.城市应急信息平台是结合了遥感测绘、城市管理信息系统、应急调度指挥系统、以及城市应急指挥中心的多系统关联综合平台,其导航应用中,关键技术难点在于不同终端的位置信息与信息平台的一张图应用的融合.“,”With the Compass system deployment of the application, the city emergency management information system of navigation application have gradually entered the consciously development era. The city emergency information platform is a combination of a remote sensing mapping, urban management information system, emergency dispatch and command system, as well as the city emergency command center system of relational comprehensive platforms. On the navigation applications, the key technical difficulties are fusion application in different terminal information and information platform of “one map applications”.