结果表明，主动悬挂方式能有效衰减振动，尤其是共振点处的振动。
The result shows that the active suspension mode can damp the vibration effectively, especially the vibration at the resonance point.
数值结果验证了该主动控制策略能够有效衰减风荷振动，从而提高了馈源轨迹跟踪精度。
Numerical simulation results show that this active control strategy can effectively attenuate the wind-induced vibration and improve the tracking accuracy of the feed source.
而时域同步平均可以有效衰减与回转频率无关的干扰，提取与工作状态直接相关的周期信号。
Time domain synchronous averaging can reduce the signal not coherent to rotation frequency effectively, and extract the repetitive signals directly related to machine operation condition.
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