Method to determine the speed of vehicles by means of noise levels variation

Rosão, Vitor; Conceição, E. Z. E.; Házyová, L.

http://hdl.handle.net/10400.1/7516

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Authors

Rosão, Vitor

Conceição, E. Z. E.

Házyová, L.

Abstract(s)

Statistical Pass-By Index is a parameter defined on ISO 11819-1: 1997, that pretends to measure the influence of road surfaces on traffic noise. One of the base parameters of this index is speed of vehicles on the road. The present paper shows a method to determine the speed of vehicles on the road using the shape of noise levels variations, and shows the improvement that this method can give one the selection of most correct pass-by levels.