In the traffic information control centre, after the collected data was analyzed, chose and filtered, the collected information appeared in the electronic map by map matching technology.
交通信息控制中心把采集的数据进行分析、筛选、过滤后，通过地图匹配技术把采集的交通信息显示在电子地图上。
Map matching is the key problem of probe vehicle technology.
地图匹配问题是浮动车技术中必须解决的关键问题。
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。
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