A comparison of the performance of modern modal data analysis methods on test data from the Voyager Jupiter/Saturn payload is presented. Four different test/data-analysis combinations are compared - multiple-point sine excitation tests, single-point random-excitation tests using two different techniques of manipulating Fourier transform data, and a time-domain method for analyzing random data. Results indicate that all four methods can give comparable results. Of the four, the time-domain approach detects more modes in the test data and, at the same time, shows the greatest promise for reducing the time and cost of modal testing.


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    Titel :

    Comparison of modal test methods on the Voyager payload


    Beteiligte:
    Hanks, B. R. (Autor:in) / Miserentino, R. (Autor:in) / Ibrahim, S. R. (Autor:in) / Lee, S. H. (Autor:in) / Wada, B. K. (Autor:in)

    Kongress:

    Society of Automotive Engineers, Aerospace Meeting ; 1978 ; San Diego, CA


    Erscheinungsdatum :

    1978-11-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Comparison of Modal Test Methods on the Voyager Payload

    Wada, B. K. / Hanks, B. R. / Miserentino, R. et al. | SAE Technical Papers | 1978





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