Feature Extraction of Ship Radiation Signals Based on Wavelet Packet Decomposition and Energy Entropy

Table 7

The recognition rates of PE for four types of SRS (Random forests).

	SRS1 (%)	SRS2 (%)	SRS3 (%)	SRS4 (%)	Average (%)
FB1	26	48	40	28	35.5
FB2	32	28	24	20	26
FB3	20	34	20	20	23.5
FB4	20	34	32	30	29
FB5	30	28	36	30	31
FB6	36	38	48	32	38.5
FB7	34	46	34	30	36
FB8	16	24	18	28	21.5