Open Access
表5
增强角度β对结构频率f和损耗因子η的影响
| β/(°) | f1 | η1/% | f2 | η2/% |
| 0 | 1 291.02 | 1.399 | 1 318.44 | 1.440 |
| 5 | 1 294.14 | 1.387 | 1 321.81 | 1.425 |
| 10 | 1 303.29 | 1.352 | 1 331.70 | 1.382 |
| 15 | 1 317.91 | 1.299 | 1 347.47 | 1.315 |
| 20 | 1 337.08 | 1.232 | 1 368.08 | 1.229 |
| 25 | 1 359.59 | 1.156 | 1 392.14 | 1.132 |
| 30 | 1 384.10 | 1.077 | 1 417.94 | 1.030 |
| 35 | 1 409.33 | 0.999 | 1 443.48 | 0.927 |
| 40 | 1 434.31 | 0.924 | 1 466.48 | 0.829 |
| 45 | 1 458.39 | 0.852 | 1 484.74 | 0.739 |
| 50 | 1 481.17 | 0.784 | 1 496.64 | 0.664 |
| 55 | 1 501.74 | 0.605 | 1 502.17 | 0.720 |
| 60 | 1 500.91 | 0.562 | 1 520.70 | 0.660 |
| 65 | 1 495.92 | 0.533 | 1 535.87 | 0.605 |
| 70 | 1 488.81 | 0.514 | 1 546.88 | 0.557 |
| 75 | 1 481.37 | 0.502 | 1 553.50 | 0.519 |
| 80 | 1 474.99 | 0.496 | 1 556.39 | 0.492 |
| 85 | 1 470.69 | 0.493 | 1 557.05 | 0.476 |
| 90 | 1 469.17 | 0.492 | 1 557.05 | 0.471 |
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