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Shock and Vibration
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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
Modal Parameters Identification Method Based on Symplectic Geometry Model Decomposition
Table 2
The modal identification of vibration signals.
Natural frequency
Error (%)
Damping ratio
Model 1
62.92
3.2
0.00213
Model 2
215.82
0.80
0.00073
Model 3
397.11
11.18
0.00029