An attention mechanism augmented CNN-GRU method integrating optimized variational mode decomposition and frequency feature classification for complex signal forecasting

• Congxin WeiLanzhou University of Technology
• Zidong QuanLanzhou University of Technology
• Zhifeng QianLanzhou University
• Haikuo PangLanzhou University of Technology
• Yaxin SuLanzhou University of Technology
• Lei WangChengdu University of Technology