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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: J Electromyogr Kinesiol. 2012 Jul 15;22(6):901–907. doi: 10.1016/j.jelekin.2012.06.005

Fig. 4.

Fig. 4

An example of the real surface EMG signal contaminated by a series of tonic spikes and its corresponding rectified time series, TKE outputs (with absence or presence of a 32 ms sliding window), and SampEn values (with global tolerance) used for onset detection. Each of the detected onset time from the SampEn analysis was marked by a vertical arrow.