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基于多源数据的精确公交出行时间自动计算

DOI: 10.3969/j.issn.1674-0696.2015.03.25, PP. 122-126

Keywords: 交通工程,出行调查,公交规划,多源数据,基站定位,GPS定位,trafficengineering,travelsurvey,publictransitplanning,multi-sourcedata,celltowerlocation,GPSlocation

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Abstract:

:?提出基于基站定位轨迹、公交线网、公交车GPS轨迹的多源数据精确公交出行时间自动计算方法:第一,利用智能手机采集基站定位轨迹;第二,使用基于滑动时间窗的算法,清除基站定位轨迹中因基站切换“乒乓效应”造成的扰动数据;第三,将基站定位轨迹与公交线网进行空间关联匹配,获得乘客上下车地点;最后,将基站定位轨迹与公交车GPS轨迹进行序列对比,获得乘客公交出行时间。在佛山市南海区进行的公交出行实验表明,该方法获得的公交出行时间误差在1min以内,能满足公交线网调整与优化的精度要求。

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