This paper describes a large indoor semi-anechoic facility for testing construction machines and discusses the procedures used to determine its acoustic performance characteristics. Data were obtained and analyzed employing controlled pure tone and broad band noise sources with varied microphone distances and elevations. The ground-plane microphone proved to be the most practical way to obtain representative data. Comparisons to an outdoor test site are included.


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    Titel :

    Acoustic Performance of a Large Semi-Anechoic Test Chamber


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1975 SAE International Off-Highway and Powerplant Congress and Exposition ; 1975



    Erscheinungsdatum :

    01.02.1975




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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