Expressway single-point speed measurement equipment deterrent range analysis method
A technology for expressway and range analysis, which is used in traffic flow detection, traffic control systems for road vehicles, instruments, etc., and can solve problems such as insufficient accuracy.
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[0031] A method for analyzing the deterrent range of expressway single-point speed measuring equipment in the present invention is characterized in that it includes the following steps.
[0032] S1: Based on historical data, select an isolated single-point speed measurement equipment set P(p 1 ,p 1 ,...,p n );
[0033] Among them, the single-point speed measuring device p i is an isolated device, in this embodiment, the isolated device p i It means that there are no other motor vehicle speedometers within 10 kilometers upstream and downstream of the equipment, 1≤i≤n. The specific isolation threshold is set according to the hardware conditions of the speed measuring equipment in the current historical data and the specific conditions of the expressway.
[0034] In this embodiment, the deterrent range of single-point speed measuring equipment is analyzed with the speed measuring equipment and overspeed accident data of 42 national expressways. From 2018 to 2019, there were...
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Abstract
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Application Information
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