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. 2021 Dec 17;21(24):8431. doi: 10.3390/s21248431

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Rectangular window considered to compute $γ_{D W T}$ by analyzing the wavelet signal, $d_{n}$ : (a) stray flux captured by the sensor. (b) wavelet signal containing the majority of the fault frequency component.