RCMFRDE: Refined Composite Multiscale Fluctuation-Based Reverse Dispersion Entropy for Feature Extraction of Ship-Radiated Noise

Table 2

The classification and recognition results of four types of S-NS under single feature.

Scale	Feature	Number of incorrectly identified samples				Average recognition rate (%)
		Ship I	Ship II	Ship III	Ship IV
1	RCMFRDE	0	0	0	3	99.75
	MDE	0	0	2	3	99.58
	MFDE	0	0	5	3	99.33
	MPE	47	1	24	85	86.92
	MRDE	0	0	5	4	99.25
2	RCMFRDE	4	10	13	0	97.75
	MDE	2	0	2	0	99.67
	MFDE	2	0	7	0	99.25
	MPE	0	5	118	108	80.75
	MRDE	5	1	14	0	98.33
3	RCMFRDE	10	11	26	0	96.08
	MDE	5	0	8	0	98.92
	MFDE	8	0	28	0	97.00
	MPE	1	70	5	63	88.42
	MRDE	16	12	44	1	93.92
4	RCMFRDE	80	27	120	0	81.08
	MDE	67	14	104	0	84.58
	MFDE	94	17	120	0	80.75
	MPE	46	19	7	20	92.33
	MRDE	56	18	129	1	83.00
5	RCMFRDE	167	59	137	0	69.75
	MDE	120	42	129	0	75.75
	MFDE	153	62	147	0	69.83
	MPE	68	13	23	6	90.83
	MRDE	109	72	145	1	72.75