Volume 71, Number 2, July 2005
|Page(s)||200 - 206|
|Published online||15 June 2005|
Detection of phase locking from non-stationary time series
Department of Physics, East China Normal University - Shanghai, 200062, PRC
2 Department of Physics, Center for Nonlinear Studies, and the Beijing-Hong Kong-Singapore Joint Center for Nonlinear and Complex Systems (Hong Kong Branch), Hong Kong Baptist University - Hong Kong, PRC
3 Department of Physics, University of Houston - Houston, TX 77204-5005, USA
4 Department of Bioengineering, Arizona State University - Tempe, AZ 85287, USA
Accepted: 13 May 2005
The detection of the interrelation between non-stationary time series is a key problem unsolved in the analysis of practical data. Here we present a novel approach to detect the phase locking of time series in non-stationary status, which does not need the reconstruction of the attractor but gets information from the consistence of local rotation speeds. This method can be conveniently used for practical situations, such as the epileptic seizure.
PACS: 05.45.Tp – Time series analysis / 05.45.Xt – Synchronization; coupled oscillators
© EDP Sciences, 2005
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