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Shock and Vibration
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2019
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Article
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Tab 2
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Research Article
Instantaneous Modal Parameter Identification of Linear Time-Varying Systems Based on Chirplet Adaptive Decomposition
Table 2
Errors of identification results of instantaneous frequency.
RMSE
Mode
Morlet
GLCT
Instantaneous frequency
1st
0.306
0.195
2nd
1.882
0.230
3rd
0.599
0.331
RMSE
Mode
Time-domain algorithm
Energy algorithm
Instantaneous damping ratio
1st
2nd
3rd