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

<div>The power spectrum of diesel engine acoustics signals. (a) The power spectrum in measuring point 1. (b) The power spectrum in measuring point 2.</div>

Shock and Vibration

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Figure 15

Figure 15: Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 

Figure 15 | Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 