複合確率過程モデルに基づく道路騒音予測の一般理論と実験

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タイトル別名
  • A general theory for estimating the road traffic noise based on the compound stochastic process model and it experiment
  • フクゴウ カクリツ カテイ モデル ニ モトズク ドウロ ソウオン ヨソク ノ

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抄録

In this paper, a new trial for predicting the level probability distribution of road traffic noise fluctuation is considered from a generalized viewpoint in connection with the internal mechanism of noise generation and propagation. More concretely, firstly, the probability distributions on the number of vehicles flowing in an arbitrary road segment is derived on the basis of the probability distributions on an initial phase(introduced by F. A. Haight) and the headway interval which is most fundamental information among many of inside state variables on road traffic flow, from a natural viewpoint of Asychronous Counting method. Next, the noise level distribution at the observation point is theoretically calculated from these information on the flowing state of vehicles, by introducing a new road traffic model based on the compound stochastic process. Furthermore, the legitimacy of the present theory is confirmed experimentally by applying to the traffic noise data actually observed in Hiroshima City.

収録刊行物

  • 日本音響学会誌

    日本音響学会誌 37 (9), 437-445, 1981

    一般社団法人 日本音響学会

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