HIGHLIGHTS
- who: Lei Gao et al. from the School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China have published the research work: A Modal Frequency Estimation Method of Non-Stationary Signal under Mass Time-Varying Condition Based on EMD Algorithm, in the Journal: (JOURNAL)
- what: Comparing the results of EMD, EEMD and SSI, the authors propose a practical method for estimating modal frequency.
- how: The authors measuredand the vibration datathe in the time domain of 16 test pointsofunder operating conditions calculated statistical characteristics the mean variance and root mean conditions . . .
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