Analysis of Synchronization Phenomena in Broadband Signals with Nonlinear Excitable Media
© Anton Chernihovskyi et al. 2009
Received: 23 September 2008
Accepted: 18 August 2009
Published: 13 October 2009
We apply the method of frequency-selective excitation waves in excitable media to characterize synchronization phenomena in interacting complex dynamical systems by measuring coincidence rates of induced excitations. We relax the frequency-selectivity of excitable media and demonstrate two applications of the method to signals with broadband spectra. Findings obtained from analyzing time series of coupled chaotic oscillators as well as electroencephalographic (EEG) recordings from an epilepsy patient indicate that this method can provide an alternative and complementary way to estimate the degree of phase synchronization in noisy signals.
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