Table 2
Frequency and relative deviations of first detected peak f0 in the FRF spectra using the benchmark hammer measurement and the exciters. The excitation point is L1.
| EXC_1 | EXC_2 | EXC_3 | EXC_4 | ||
|---|---|---|---|---|---|
| Hammer | f0 (Hz) | 118.5 | 117.5 | 117 | 116 |
| f0 = 118 Hz | dev. (%) | 0.42 | −0.43 | −0.85 | −1.72 |
| dev. (cent) | 7 | −7 | −14 | −29 |
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