Table 5 Computational length of each improved decomposition method.

From: Research on information leakage in time series prediction based on empirical mode decomposition

Decomposition method

Model

pH

CEEMDAN

BiLSTM

50.1 s

SW-CEEMDAN

14m38.3 s

STMP-CEEMDAN

12m11.2 s

MTMP-CEEMDAN

16m22.6 s