A Review of Studies on Spatial-temporal Characteristics of Vehicle Positions for Commercial Operating Based on GNSS Systems
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摘要: 获取营运车辆的时空大数据,识别车辆运行区间、车辆运营时长、车辆运行车速等关键参数,对于深入挖掘车辆位置的空间、时间分布特征具有重要意义.在分析卫星定位系统的数据特点及相关定位技术的基础上,从计算机、地理学以及交通科学3个不同领域,对位置时空数据及其特点展开了比较分析.以典型营运车辆数据——基于出租车轨迹的出行分布研究以及联网联控"两客一危"分析为例,对基于卫星定位系统的典型营运车辆时空特征分析的理论、方法及关键技术进行综述.Abstract: Analyses on spatial-temporal characteristics of commercial vehicle position,identifying operating range, time,speed,and other key parameters of vehicles are significant to spatial-temporal distribution of vehicle locations. Based on characteristics of GNSS systems and related positioning technology,this study compares and analyzes spatial-temporal data of positions and its characteristics from the aspects of computing,geography and transportation.A case study on data of typical operating vehicles:the travel distribution based on taxi traj ectories,and network monitoring of typical vehicles operating on expressways and transporting dangerous goods is used in this study to review theories,meth-ods and key methods on spatial-temporal characteristics of commercial vehicle positions based on GNSS systems.
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Key words:
- transportation /
- commercial vehicles /
- spatial-temporal characteristics /
- data mining /
- GNSS
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