Surrogate Test for Pseudoperiodic Time Series Data

16 October 2001

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 87 (18) , 188101
https://doi.org/10.1103/physrevlett.87.188101

Abstract

For time series exhibiting strong periodicities, standard (linear) surrogate methods are not useful. We describe a new algorithm that can test against the null hypothesis of a periodic orbit with uncorrelated noise. We demonstrate the application of this method to artificial data and experimental time series, including human electrocardiogram recordings during sinus rhythm and ventricular tachycardia.

Keywords

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