Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis results of the signal collected from the pinion stand, (a) the original vibration signal (its kurtosis is 5.15); (b) the envelope spectrum of the original signal; (c) The preprocessed signal by MCKD (its kurtosis is 37.8); (d) the envelope spectrum based on the proposed method; (e) the envelope spectrum based on the SK method.
