The paper is focused on the previously known effect of “statistical self-repetition” encountered when a wave record is reconstructed from spectrum with a constant frequency step. A correlation function calculated for such a record shows a repetitive pattern of high values. It means an unrealistically strong probabilistic dependence between certain time sections of the process. The effect remains even if the autocorrelation function is calculated directly from spectrum without actual reconstruction of the wave record. An attempt to work the effect around using a variable frequency step leads to a spread of the error. It appears as a series of unrealistically high values instead of discrete peaks. The previous work of the author also found that the presence or absence of the effect strongly depends on the method of numerical integration.


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    Title :

    On Self-Repeating Effect in Reconstruction of Irregular Waves


    Additional title:

    Fluid Mechanics, Appl.




    Publication date :

    2011-05-17


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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