As noise concerns for snowmobiles become of greater interest for governing bodies, standards such as SAE J192 are implemented for regulation. Specific to this pass-by noise standard, and unlike many other pass-by tests, multiple non-standardized test surfaces are allowed to be used. Manufacturers must understand how the machines behave during these tests to know how to best improve the measured noise levels. Data is presented that identifies the contributions of different sources for different snowmobiles on various test surface conditions. Adaptive resampling for Doppler removal, frequency response functions and order tracking methods are implemented in order to best understand what components affect the overall measurement during the pass-by noise test.


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    Title :

    Determination of Source Contribution in Snowmobile Pass-by Noise Testing


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2009 Noise and Vibration Conference and Exhibition ; 2009



    Publication date :

    2009-05-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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