Feature Extraction of Underwater Target Signal Using Mel Frequency Cepstrum Coefficients Based on Acoustic Vector Sensor

Table 5

The recognition probability by using 15-dimension MFCC fusion features of sound pressure, particle velocity signal, sound pressure, and particle velocity combined processing.

	Sound pressure	Particle velocity	Pressure and particle velocity combined processing
0 dB	98.98%	99.83%	99.33%
−5 dB	93.46%	98.15%	98.17%
−10 dB	71.62%	79.96%	86%