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Wavelet Filtering of Signals from Ultrasonic Flaw Detector

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Abstract

The paper considers basic principles of the algorithm of wavelet filtering of signals from an ultrasonic aw detector with the help of the fast wavelet transform. Criteria for selection of the type and order of a wavelet are formulated, and the number of decomposition levels required for the needed accuracy and reproducibility of results of ultrasonic tests are determined.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Yekaterinburg, Russia

    D. V. Perov, A. B. Rinkevich & Ya. G. Smorodinskii

Authors
  1. D. V. Perov
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  2. A. B. Rinkevich
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  3. Ya. G. Smorodinskii
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Perov, D.V., Rinkevich, A.B. & Smorodinskii, Y.G. Wavelet Filtering of Signals from Ultrasonic Flaw Detector. Russian Journal of Nondestructive Testing 38, 869–882 (2002). https://doi.org/10.1023/A:1023852822195

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  • DOI: https://doi.org/10.1023/A:1023852822195

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