High frequency Space Shuttle liftoff data are treated by autoregressive (AR) and autoregressive-moving-average (ARMA) digital algorithms. These algorithms provide useful information on the spectral densities of the data. Further, they yield spectral models, which lend themeselves to incorporation into the concept of the random response spectrum. This concept yields a reasonably smooth power spectrum for the design of structural and mechanical systems when the available data bank is limited. Due to the nonstationary of the liftoff event, the pertinent data are split into three slices. Each of the slices is associated with a rather distinguished phase of the liftoff event, in which stationarity can be expected. The presented results are preliminary in nature; they aim to call attention to the availability of the discussed concepts and to the need to augment the Space Shuttle data bank as more flights are completed.


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    Titel :

    Spectral representation of high-frequency Space Shuttle data


    Beteiligte:
    Spanos, P. D. (Autor:in) / Mushung, L. J. (Autor:in) / Nelson, D. A., Jr. (Autor:in) / Hamilton, D. A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1994-07-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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    Spanos, Pol D. / Mushung, Lance J. / Nelson, Dudley A. et al. | NTRS | 1990



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    Spanos, P. / Eberle, R. / Hamilton, D. et al. | AIAA | 1994