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. 2021 Jan 12;21(2):498. doi: 10.3390/s21020498

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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 (http://creativecommons.org/licenses/by/4.0/).

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Best four combinations of sensors, features, $n_{k p}$ , $θ_{c}$ and algorithm in terms of percentage of the minimum observed MAE value for (A) mean velocity and (B) peak amplitude.