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

<div>The fdc of MFCC features based on sound pressure signals and particle velocity signals. (a) Each dimension ratio of MFCC features. (b) Each dimension ratio of ΔMFCC features. (c) Each dimension ratio of ΔΔMFCC features.</div>

Journal of Sensors

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Figure 9

Figure 9: Feature Extraction of Underwater Target Signal Using Mel Frequency Cepstrum Coefficients Based on Acoustic Vector Sensor 