Table 1 Average deviation from theoretical mode displacement ratio in %.
From: Attenuation Analysis of Lamb Waves Using the Chirplet Transform
displacement ratio | Â |
|
|
|
|
|
|
|---|---|---|---|---|---|---|---|
numerical signal | CT (in %) | 9.49 | 67.89 | 8.46 | 10.54 | 4.00 | 12.19 |
| Â | STFT (in %) | 18.60 | 686.36 | 14.65 | 51.33 | 66.28 | 10.24 |
experimental signal | CT (in %) | 173.73 | 46.96 | 343.88 | 35.75 | 272.29 | 484.40 |
| Â | STFT (in %) | 115.36 | 83.06 | 223.07 | 52.99 | 289.76 | 385.70 |
