说明：  本文着力研究了风电功率的预测问题。根据相关要求，本文中我们分别利用ARMA模型、卡尔曼滤波预测模型和小波神经网络模型进行预测
(This paper focuses on the prediction of wind power. According to the relevant requirements, we use ARMA model, Kalman filter prediction model and wavelet neural network model to predict)