模态阶数 | 1 | 2 | 3 | 4 |
a (Hz) | 83.44 | 115.06 | 164.36 | 172.41 |
b (Hz) | 86.708 | 114.34 | 164.5 | 171.36 |
c (Hz) | 95.093 | 115.32 | 163.97 | 168.99 |