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

Table 4

Target identification probability using MFCC features based on particle velocity signal under different SNR.

	MFCC	The first-order differential MFCC	The second-order differential MFCC
0 dB	99.11%	99.88%	99.55%
−5 dB	92.61%	92.75%	96.59%
−10 dB	77.27%	78.83%	77.28%