In the process of building traffic noise model, Doppler effect of vehicle noise is seldom considered. By establishing the noise radiation model of single vehicle and calculating with MATLAB software, the influencing factors of Doppler noise are analyzed. According to the distribution characteristics of sensitive points on both sides of different roads, the influence degree of Doppler effect on environmental noise under different speed and location of measuring points is theoretically analyzed. The results show that: vehicle speed and the location of measuring points within a certain distance are the main influencing factors of Doppler noise; when the vehicle speed is lower than 67.0 km/h, the Doppler effect has no effect on the environmental noise no matter what road people are driving on. When the vehicle speed is higher than 67.0 km/h, the Doppler effect has the greatest impact on the environmental noise by 2 dB when driving on the urban road, and has the greatest impact on the environmental noise by 3 dB when driving on the highway.


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    Title :

    Analysis of Doppler Effect of Vehicle Noise on Environmental Noise


    Contributors:
    Zhao, Qian (author) / Ma, Xintan (author) / Liu, Xiang (author)


    Publication date :

    2020-11-01


    Size :

    688212 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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