Table 6.
Mean values and standard deviations for the GAW, aerodynamic and harmonic parameters of the two different vibrational characteristics with tendencies.
| Parameter | Mean standard deviation |
Tendency for GroupS,A | |
|---|---|---|---|
| GroupS | GroupA | ||
|
(A) GAW measures | |||
| ALR (a.u.) | 18.0 ± 5.5 | 8.1 ± 4.4 | decrease |
| STIFFNESS (frames−1) | 0.30 ± 0.06 | 0.28 ± 0.05 | decrease |
| ASQ (a.u.) | 0.50 ± 0.14 | 0.59 ± 0.14 | increase |
| CQ (a.u.) | 0.49 ± 0.15 | 0.35 ± 0.11 | decrease |
| OQ (a.u.) | 0.96 ± 0.06 | 0.93 ± 0.15 | decrease |
| SQ (a.u.) | 1.46 ± 1.11 | 2.18 ± 2.40 | increase |
| ASI (a.u.) | 0.81 ± 0.13 | 0.79 ± 0.11 | decrease |
| PAI (a.u.) | 0.11 ± 0.13 | 0.13 ± 0.05 | increase |
|
(B) Aerodynamic parameters | |||
| RB (Pa s−1) | 11001 ± 5846 | 12363 ± 5387 | increase |
| SPL (dB) | 78.1 ± 6.8 | 65.9 ± 7.3 | decrease |
| PS (Pa) | 1370 ± 824 | 1223 ± 781 | decrease |
|
(C) Harmonic measures | |||
| CPPA (dB) | 16.1 ± 6.2 | 15.4 ± 5.3 | decrease |
| CPPP (dB) | 17.9 ± 6.0 | 16.0 ± 4.5 | decrease |