Research Article
An Application of Time-Frequency-Based Analysis Method for Identifying Bolt Anchorage System
Table 4
The identification results for three different input formats.
| | Input format | Recognition rate (%) | Mean square error |
| | Time-domain | 98.14 | 3.45 × 10−3 | | Frequency-domain | 84.13 | 3.16 × 10−2 | | Time-frequency spectrogram | 98.98 | 2.31 × 10−3 |
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