Spatial Characteristics Analysis of Traffic Information Based on Road Sensors
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摘要: 在分析道路交通信息空间分布特性的基础上,定义了一个描述交通信息空间关系特性的信息度函数.并利用北京二环路上的交通数据进行相关性分析,绘制散点分布图,给出信息度函数的数学表达式.基于标定的信息度函数可获得路段交通信息的空间分布,并为交通检测器布局优化及其组网优化研究提供参考.Abstract: Based on the analysis of the spatial characteristics of traffic information,the paper defines the information degree function which is used to express spatial characteristics of traffic information.The correlation analysis of traffic data is done using the real world data of Second Ring Road in Beijing,then the scattered plots and the mathematical expression of the information degree function are obtained.According to the calibration of information degree function,the spatial distribution of traffic information on the road can be collected,and it can provide references for allocation optimization and networking optimization of road traffic sensors.
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