作者: Peng Lv , Lili Yue
DOI: 10.1109/ICMT.2011.6002447
关键词:
摘要: Wind speed time series is nonlinear and non-stationary, has time-varying variance. Therefore, often considered as one of the most difficult meteorological parameters to forecast. The proposed model based on non-stationary theory ARCH model. First, wind decomposed reconstructed into approximate detailed by wavelet analysis. Then use ARIMA analyze each part, simultaneously considering heteroscedasticity effect residual series, corresponding ARIMA-ARCH set up. final forecasting values are sum predicted values. This method applied forecast actual data verification results show it can improve accuracy forecasting.