Developing sound insulation materials as well as noise- and vibration testing without computer aided measurement- and analysing systems is next to impossible nowadays. This paper is meant to give a survey of the wide range of computer aided noise- and vibration testing possibilities in connection with motor vehicles by means of low-cost desktop calculators. The simplicity and high versatility of computer aided testing solutions will be graphically illustrated. Their more widespread application is solely hampered by the problem of providing adequate software. To overcome this problem, the author himself developed several software packages for car acoustics and material testing. First the use of computer-aided noise and vibration testing systems for the processing of materials and for quality control will be discussed. Then exterior- and interior noise measurements by means of a fast third octave analyser will be dealt with, to be followed by a discussion of intensity- and modal analysis measurement with a 2 channel FFT. In conclusion, some typical results and an outlook of future computer measurement systems will be offered.


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    Title :

    Computer aided noise and vibration testing


    Additional title:

    Rechnergestuetzte Schall- und Schwingungsmessungen


    Contributors:


    Publication date :

    1987


    Size :

    18 Seiten, 11 Bilder, 4 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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