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SPECTRAL ANALYSIS OF TRAFFIC FUNCTIONS IN URBAN AREAS

机译:城市地区交通功能的光谱分析

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摘要

The paper is focused on the Fourier transform application in urban traffic analysis and the use of said transform in traffic decomposition. The traffic function is defined as traffic flow generated by different categories of traffic participants. A Fourier analysis was elaborated in terms of identifying the main traffic function components, called traffic sub-functions. This paper presents the results of the method being applied in a real case situation, that is, an intersection in the city of Bucharest where the effect of a bus line was analysed. The analysis was done using different time scales, while three different traffic functions were defined to demonstrate the theoretical effect of the proposed method of analysis. An extension of the method is proposed to be applied in urban areas, especially in the areas covered by predictive traffic control.
机译:本文着重于傅立叶变换在城市交通分析中的应用以及在交通分解中的应用。交通功能定义为由不同类别的交通参与者生成的交通流。在确定主要交通功能组件(称为交通子功能)方面进行了傅里叶分析。本文介绍了该方法在实际情况下应用的结果,即在布加勒斯特市的一个十字路口,分析了公交线路的影响。使用不同的时间尺度进行了分析,同时定义了三种不同的交通功能以证明所提出的分析方法的理论效果。建议对该方法进行扩展,以应用于城市地区,尤其是在预测性交通控制覆盖的地区。

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