Research Article
Time-Frequency Characteristics of Fluctuating Pressure on the Bottom of the Stilling Basin with Step-Down Floor Based on Hilbert–Huang Transform
Table 4
Frequency advantage table (Hz).
| | Q (m³/s) | η = 0.025 | η = 0.075 | η = 0.125 | η = 0.175 | η = 0.225 | η = 0.325 | η = 0.450 | η = 0.650 |
| | 30 | 5 | 3.6 | 3.3 | 2.4 | 2.1 | 1.8 | 1.8 | 2 | | 50 | 3.6 | 4.1 | 4.6 | 3.4 | 2.4 | 1.9 | 1.1 | 1.1 | | 70 | 4.6 | 3.8 | 4.2 | 3.6 | 2.5 | 1.9 | 1.8 | 1.8 | | 90 | 4.6 | 5 | 5 | 3.6 | 3.3 | 2.3 | 2.4 | 2.2 |
|
|
