Research Article
RCMFRDE: Refined Composite Multiscale Fluctuation-Based Reverse Dispersion Entropy for Feature Extraction of Ship-Radiated Noise
Table 1
Parameter settings of five kinds of entropies.
| | Entropy | Embedding dimension | Time delay | Category number | Mapping method | Scale s |
| | RCMFRDE | 4 | 1 | 5 | NCDF | 1,2,3,4,5 | | MDE | 4 | 1 | 5 | NCDF | 1,2,3,4,5 | | MFDE | 4 | 1 | 5 | NCDF | 1,2,3,4,5 | | MPE | 4 | 1 | - | — | 1,2,3,4,5 | | MRDE | 4 | 1 | 5 | NCDF | 1,2,3,4,5 |
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