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The influence of the coordinate errors of setting sensors of a piezoelectric antenna on the accuracy of localizing sources of acoustic-emission signals

  • Acoustic Methods
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Abstract

The main factors that affect the error of determining the coordinates of an acoustic-emission (AE) signal source are considered. The influence of errors of determining coordinates ±Δx i and ±Δy i of piezoelectric-antenna transducers on the AE-signal localization accuracy are analyzed. It is theoretically and experimentally proven that the errors in the coordinates of the transducers substantially influence the AE-signal localization accuracy, especially at a low sampling frequency of the analog-to-digital converter of the AE system’s measuring channel and when low-frequency AE transducers are used.

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References

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Authors and Affiliations

  1. OOO Parallels-Novosibirsk, Novosibirsk, Russia

    A. E. Kareev

  2. Chaplygin Siberian Research Institute of Aviation, ul. Polzunova 21, Novosibirsk, 630051, Russia

    L. N. Stepanova & E. S. Tenitilov

Authors
  1. A. E. Kareev
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  2. L. N. Stepanova
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  3. E. S. Tenitilov
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Additional information

Original Russian Text © A.E. Kareev, L.N. Stepanova, E.S. Tenitilov, 2010, published in Defektoskopiya, 2010, Vol. 46, No. 11, pp. 21–28.

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Kareev, A.E., Stepanova, L.N. & Tenitilov, E.S. The influence of the coordinate errors of setting sensors of a piezoelectric antenna on the accuracy of localizing sources of acoustic-emission signals. Russ J Nondestruct Test 46, 803–809 (2010). https://doi.org/10.1134/S1061830910110033

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  • DOI: https://doi.org/10.1134/S1061830910110033

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