Research Article
RCMFRDE: Refined Composite Multiscale Fluctuation-Based Reverse Dispersion Entropy for Feature Extraction of Ship-Radiated Noise
Table 3
The classification and recognition results of four types of S-NS under double features.
| Scales | Feature | Number of incorrectly identified samples | Average recognition rate (%) | Ship I | Ship II | Ship III | Ship IV |
| 1 and 2 | RCMFRDE | 0 | 0 | 0 | 0 | 100.00 | MDE | 0 | 0 | 3 | 0 | 99.75 | MFDE | 1 | 0 | 5 | 0 | 99.50 | MPE | 0 | 1 | 20 | 0 | 98.25 | MRDE | 1 | 0 | 6 | 1 | 99.33 |
| 1 and 3 | RCMFRDE | 0 | 0 | 0 | 0 | 100.00 | MDE | 0 | 0 | 3 | 0 | 99.75 | MFDE | 1 | 0 | 7 | 0 | 99.33 | MPE | 0 | 3 | 7 | 0 | 99.17 | MRDE | 1 | 1 | 14 | 1 | 98.58 |
| 1 and 4 | RCMFRDE | 0 | 0 | 0 | 0 | 100.00 | MDE | 0 | 0 | 4 | 0 | 99.67 | MFDE | 1 | 0 | 7 | 0 | 99.33 | MPE | 0 | 2 | 6 | 0 | 99.33 | MRDE | 0 | 1 | 16 | 2 | 98.42 |
| 1 and 5 | RCMFRDE | 0 | 0 | 0 | 0 | 100.00 | MDE | 0 | 0 | 3 | 0 | 99.75 | MFDE | 1 | 0 | 6 | 0 | 99.42 | MPE | 0 | 0 | 5 | 0 | 99.58 | MRDE | 0 | 1 | 18 | 1 | 98.33 |
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