9Vinay Varadan, Henry Leung, l-|oi Boss6. Dynamical model reconstruction and accurate prediction of power-pool time series [J]. IEEE Transactions on Instrumentation and Measurement (S0018- 9456), 2006, 55(1): 327-336.
10Antz Holger. A robust method to estimate the maximal Lyapunov exponent of a time series [J]. Phys Lctt a (S0375-9601), 1994, 185(1): 77-87.