阶数

优化前频率(Hz)

优化后频率(Hz)

变化率(%)

1

0.3126

0.3127

0.032

2

0.3604

0.3878

7.603

3

0.4307

0.4477

3.947

4

0.7052

0.7587

7.587

5

1.2719

1.2862

1.112

6

1.9545

1.8341

−6.160

7

3.9338

4.3474

10.514

8

4.5323

4.7166

4.067

9

4.6055

5.3027

15.138

10

5.0364

8.3087

64.972