component	Prediction model	MAE	RMSE	Training time
High-frequency component	CNN-LSTM	0.184	0.235	1720s
High-frequency component	BPNN	0.106	0.137	141s
Low-frequency component	CNN-LSTM	0.035	0.046	1213s
Low-frequency component	BPNN	0.032	0.042	120s