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. Author manuscript; available in PMC: 2017 Jul 15.
Published in final edited form as: Physica A. 2016 Jul 15;454:143–150. doi: 10.1016/j.physa.2016.02.012

Fig.3.

Fig.3

A synthetic signal with nonstationary, nonlinear oscillations. Nonlinear waveforms are created based on the prototype in Fig. 2 with p2/p1 = 4. The amplitude of each cycle is a random number in the range of 0-4. The frequency of all cycles is 10 Hz. The synthetic signal also has a component of Gaussian white noise with the standard deviation equal to 10% of the oscillatory component.