Surrogate test for pseudoperiodic time series

被引:121
|
作者
Small, M
Yu, DJ
Harrison, RG
机构
[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China
[2] Heriot Watt Univ, Dept Phys, Edinburgh EH14 4AS, Midlothian, Scotland
关键词
D O I
10.1103/PhysRevLett.87.188101
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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.
引用
收藏
页码:188101 / 1
页数:4
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