Research Article
A Study on Instantaneous Time-Frequency Methods for Damage Detection of Nonlinear Moment-Resisting Frames
Table 6
Dispersion of intensity level for different damage measures.
| -direction | -direction |
| DM | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 | Frequency | 0.56 | 0.61 | 0.64 | 0.45 | 0.45 | 0.57 | 0.66 | 0.55 | 0.52 | 0.52 | Amplitude | 0.36 | 0.35 | 0.37 | 0.37 | 0.37 | 0.36 | 0.34 | 0.33 | 0.30 | 0.30 | Energy | 0.36 | 0.38 | 0.38 | 0.38 | 0.38 | 0.30 | 0.30 | 0.31 | 0.30 | 0.30 |
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