固有频率 | 方案一 | 增加比例 | 方案二 | 增加比例 | 方案三 | 增加比例 | 方案四 | 增加比例 |
1阶 | 539.00 | 0.21% | 782.75 | 45% | 508.38 | −5.5% | 540.25 | 0.45% |
2阶 | 797.73 | 0.11% | 929.01 | 16.6% | 820.50 | 3% | 817.90 | 2.6% |
3阶 | 955.87 | −0.14% | 1327.7 | 38.7% | 935.21 | −2.3% | 977.91 | 2.2% |
4阶 | 1099.2 | 0.15% | 1645.1 | 49.9% | 1175.1 | 7.1% | 1113.7 | 1.5% |
5阶 | 1604.0 | 0.19% | 1804.4 | 12.7% | 1517.2 | −5.2% | 1603.4 | 0.15% |
6阶 | 1737.5 | −0.18% | 1899.3 | 9.1% | 1781.5 | 2.3% | 1744.5 | 0.22% |