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. 2020 Jul 27;20(15):4162. doi: 10.3390/s20154162

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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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Example of EGM parameters in the frequency domain. (a) Monopolar and bipolar EGMs in the time domain. (b) Spectrum parameters in a typical monopolar recording. (b) Spectrum parameters in a typical bipolar recording. (c) The OI is obtained by the ratio between the power in the bandwidth of the harmonic peaks in the B band (2–30 Hz), and the total power in the band.