Abstract:The choice of test statistics can bring important influence to nonlinear of time series. This paper introduces a Non-parameter test——Kolmogorov-Smirnov (KS) test into nonlinearity test. After applying the Phase-randomized surrogate algorithm to create surrogate data, three test statistics methods, which include KS test, the third-order autocovariance and the asymmetry due to time reversal, are employed to determine nonlinear of five kinds signals. By comparing the test results, it indicates that KS test is an effective and stable nonlinear test statistics. The proposed method has high noise immunity and more sensitive to nonlinear signal.
侯澍旻; 李友荣; 刘光临. 一种基于KS检验的时间序列非线性检验方法[J]. 电子与信息学报, 2007, 29(4): 808-810 .
Hou Shu-min; Li You-rong; Liu Guang-ling. A New Method of Detecting Nonlinear for Time Series Based on KS Test. , 2007, 29(4): 808-810 .