Research Article
On-Board Computing for Structural Health Monitoring with Smart Wireless Sensors by Modal Identification Using Hilbert-Huang Transform
Table 5
On-board computing, offline computing, and FE results.
| Mode | Frequency from on-board computing | Frequency from offline computing | Errors | FE result |
| First order | 4.64 Hz | 4.52 Hz | 2.6% | 4.23 Hz | Second order | 8.69 Hz | 8.66 Hz | 0.27% | 10.92 Hz | Third order | 10.47 Hz | 10.52 Hz | 0.49% | 12.16 Hz |
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