Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation

<div>The results of the IC3 component separated by the VMD-FastICA method. (a) Time domain waveform of IC3. (b) Fourier spectrum of IC3. (c) Hilbert spectrum of IC3. (d) Continuous wavelet transform of IC3.</div>

Shock and Vibration

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Figure 19

Figure 19: Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 

Figure 19 | Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 