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. 2018 Feb 1;18(2):432. doi: 10.3390/s18020432

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© 2018 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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CAF of RAP 2 for different values of $β$ and $f$ . (a) $β_{c} \neq β_{d}$ , (12); (b) $β_{c} = β_{d}$ , (14).