A New Hybrid Model for Underwater Acoustic Signal Prediction

Figure 15

(a) Error box diagram of each model; (b) bar chart of model error index. M1: SVR; M2: ELM; M3: ASVR; M4: EMD-ASVR; M5: VMD-ASVR; M6: VMD-DE-ASVR; M7: VMD-DE-ELM-ASVR.

(a)

(b)