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.

ScalesFeatureNumber of incorrectly identified samplesAverage recognition rate (%)
Ship IShip IIShip IIIShip IV

1 and 2RCMFRDE0000100.00
MDE003099.75
MFDE105099.50
MPE0120098.25
MRDE106199.33

1 and 3RCMFRDE0000100.00
MDE003099.75
MFDE107099.33
MPE037099.17
MRDE1114198.58

1 and 4RCMFRDE0000100.00
MDE004099.67
MFDE107099.33
MPE026099.33
MRDE0116298.42

1 and 5RCMFRDE0000100.00
MDE003099.75
MFDE106099.42
MPE005099.58
MRDE0118198.33