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针对传统车辆OD矩阵获取成本高、过程繁杂的弊端,以高清智能卡口系统的车牌识别数据为研究基础,提出了基于Excel VBA的车辆OD矩阵获取方法,以常州市武进区的车牌数据为例展开研究,把每个卡口点位作为一个调查点,划分交通小区。利用Excel VBA对卡口记录的车牌信息进行数据挖掘获取各交通小区之间的车辆OD矩阵,导入TransCAD软件模拟现状交通运行,结果表明模拟的现状交通特征与现实中社会交通特征和人们的交通出行感受基本相符,此OD矩阵获取方法具有可行性。
Aiming at the disadvantage of traditional vehicle OD matrix acquisition cost and complicated process, taking vehicle license plate recognition data of high-definition smart bayonet system as a research foundation, a vehicle OD matrix acquisition method based on Excel VBA is proposed, taking license plate data of Wujin District of Changzhou as an example Study, each bayonet point as a survey point, the division of traffic area. Excel VBA was used to mine the license plate information of the bayonet to get the OD matrix of the vehicles and to import the TransCAD software to simulate the status quo of traffic operation. The results show that the current traffic characteristics and the actual social traffic characteristics and people’s traffic travel Feel the basic match, this OD matrix access method is feasible.