Research Article
Shaking Table Tests for Seismic Response of Oblique Overlapped Tunnel
Table 4
Frequency bands of wavelet packet decomposition.
| Frequency band number | Frequency range (Hz) |
| 1st | 0.1–6.26 | 2nd | 6.26–12.51 | 3rd | 12.51–18.76 | 4th | 18.76–25.01 | 5th | 25.01–31.26 | 6th | 31.26–37.51 | 7th | 37.51–43.76 | 8th | 43.76–50 |
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