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Damage index results based on the IMF features for different sensor locations from the damaged element.
| IMF Feature | Nearest | Second Nearest | Far | Farthest |
|---|---|---|---|---|
| DI (%) | DI (%) | DI (%) | DI (%) | |
| Energy | 94.24 | 35.84 | 24.92 | 17.34 |
| IA | 62.04 | 51.36 | 31.35 | 16.45 |
| Unwrapped Phase | 41.80 | 18.90 | 07.55 | 05.10 |
* Intrinsic mode function (IMF), Damage index (DI), Instantaneous amplitude (IA).
