Hilbert–Huang transform-based vibration signal analysis for machine health monitoring
This paper presents a signal analysis technique for machine health monitoring based on the
Hilbert-Huang Transform (HHT). The HHT represents a time-dependent series in a two-
dimensional (2-D) time-frequency domain by extracting instantaneous frequency
components within the signal through an Empirical Mode Decomposition (EMD) process.
The analytical background of the HHT is introduced, based on a synthetic analytic signal,
and its effectiveness is experimentally evaluated using vibration signals measured on a test …
Hilbert-Huang Transform (HHT). The HHT represents a time-dependent series in a two-
dimensional (2-D) time-frequency domain by extracting instantaneous frequency
components within the signal through an Empirical Mode Decomposition (EMD) process.
The analytical background of the HHT is introduced, based on a synthetic analytic signal,
and its effectiveness is experimentally evaluated using vibration signals measured on a test …
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