阶数 | 1阶 | 2阶 | 3阶 | 4阶 |
仿真结果(Hz) | 128.84 | 142.94 | 155.01 | 172.54 |
试验结果(Hz) | 130 | 143.13 | 169.06 | 198.43 |
相差 | −0.89% | −0.13% | −8.31% | −13.04% |