Ying Han, Kaiqiang Sun, jianing Yan, Changming Dong. Surface Temperature Prediction of East China Sea Based on Variational Mode Decomposition-Long-Short Term Memory-Broad Learning System Hybrid Model[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0701001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0701001 (2023)
Fig. 1. Structure diagram of LSTM
Fig. 2. BLS structure diagram
Fig. 3. Overall framework of VMD-LSTM-BLS model
Fig. 4. VMD decomposition diagram of mark point T1
Fig. 5. IMF0 test set fitting diagram
Fig. 6. IMF1 test set fitting diagram
Fig. 7. IMF2 test set fitting diagram
Fig. 8. Comparison result graph with baseline models. (a) RMSE; (b) MAE
Fig. 9. Comparison diagram of SST fitting effect
Fig. 10. Comparison result graph with ablation models. (a) MAE; (b) RMSE
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Table 1. Algorithm parameters
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Table 2. Accuracy comparison with existing models
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Table 3. Comparison of prediction accuracy of models with different time steps
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