Research Article
Condition Monitoring and Fault Diagnosis for an Antifalling Safety Device
Table 5
The SNR results of rotation speed with hard thresholding and soft thresholding (dB).
| | | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | Level 7 | Level 8 | Level 9 | Level 10 |
| | Hard thresholding | 26.51 | 26.53 | 26.95 | 26.89 | 27.02 | 26.97 | 26.11 | 26.43 | 26.64 | 26.12 | | Soft thresholding | 26.35 | 27.10 | 27.04 | 27.17 | 27.13 | 26.91 | 27.01 | 26.88 | 27.10 | 26.73 |
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