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

Table 3

Target identification probability using MFCC features based on sound pressure signal under different SNR.

	MFCC	The first-order differential MFCC	The second-order differential MFCC
0 dB	96.54%	96.91%	97.20%
−5 dB	88.91%	89.16%	90.42%
−10 dB	70.88%	72.54%	72.90%