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. 2010 Jun 17;10(6):6063–6080. doi: 10.3390/s100606063

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© 2010 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 license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — Illustration of EMG noise, 50 Hz noise, baseline wander and composite of three noises on normal ECG. Noise levels of 25%, 50% and 100% are added, respectively. Signal durations are 3 s.