Mapping Heavy Vehicle Noise Source Heights for Highway Noise Analysis (2017) / Chapter Skim
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1 The primary purpose of this research was to determine the height distributions and spectral content for heavy trucks, building on earlier research sponsored by the California Department of Transportation (Caltrans)
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2 Mapping Heavy Vehicle Noise Source Heights for Highway Noise Analysis truck pass-by noise, there were no definitive conclusions from this data, other than that more data is needed to develop proper source distributions and average pass-by levels. In general, tire/pavement noise was again seen to be the predominate source, with engine noise also present in most cases.
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