Influenced by the lift-off value between the pipeline and coil sensors, the various properties of electronic component and the different location of coil sensor, the output signal amplitude and phase of each channel are different despite the same flaw in magnetic flux leakage (MFL) inspection. The channel-to-channel mismatch may severely degrade the performance of testing equipment and disturb the evaluation of the level of flaw unless some form of compensation is employed. In this paper an adaptive method for channel equalization in MFL inspection is presented by using the finite impulse response filter. Both theoretical analysis and experimental results have shown the effectiveness of the proposed method.


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    Titel :

    An adaptive method for channel equalization in MFL inspection


    Weitere Titelangaben:

    Ein adaptives Verfahren zur Kanalentzerrung bei der magnetischen Streuflussprüfung


    Beteiligte:
    Zhang, Y. (Autor:in) / Ye, Z. (Autor:in) / Xu, X. (Autor:in)

    Erschienen in:

    NDT&E International ; 40 , 2 ; 127-139


    Erscheinungsdatum :

    2007


    Format / Umfang :

    13 Seiten, 12 Bilder, 5 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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