重点介绍激振力和激振频率的检测和处理技术。
Finally presents the detecting and processing technique of exciting power and frequence.
对了，在这些固有频率处，变形形式也大为不同，依赖于激振力用哪个频率。
Well, the deformation patterns at these natural frequencies also take on a variety of different shapes depending on which frequency is used for the excitation force.
与线性动力系统不同，阻尼叶片的频率不再是它的固有特性，其频率受外界激振力的影响。
The damped blades is a nonlinear dynamic system, so its natural frequency can be influenced by external force.
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