School of Mathematics and Statistics Nanjing University of Information Science and Technology Nanjing 210044 China;
School of Mathematics and Statistics Nanjing University of Information Science and Technology Nanjing 210044 China;
School of Mathematics and Statistics Nanjing University of Information Science and Technology Nanjing 210044 China;
Department of Mathematics&Computer Science University of North Carolina at Pembroke Pembroke NC 28372 USA;
Typhoon; PCA; BP neural network model; comprehensive loss; LM algorithm;