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. 2020 Feb 26;20(5):1271. doi: 10.3390/s20051271

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© 2020 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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(a) acceleration response of sensor-10 for a healthy state of the bridge; (b) the first three intrinsic mode functions (IMFs) extracted by the CEEMDAN for sensor-10 for the healthy state and different damage levels.

(a) acceleration response of sensor-10 for a healthy state of the bridge; (b) the first three intrinsic mode functions (IMFs) extracted by the CEEMDAN for sensor-10 for the healthy state and different damage levels.