Firstly, the thesis researches the basic theory of the GPS and GIS, which provide corresponding concepts for researching map matching algorithms with GPS positioning information and digital map data.
首先本文阐述了GPS和GIS的基本原理，为利用GPS定位信息和电子地图信息进行地图匹配算法的研究提供了相关理论。
Firstly, the thesis researches the basic theory of the GPS and GIS, which provide corresponding concepts for researching map matching algorithms with GPS positioning information and digital map data.
首先本文阐述了GPS和GIS的基本原理，为利用GPS定位信息和电子地图信息进行地图匹配算法的研究提供了相关理论。
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