Results also show that the impulses lower than half of the first eigenfrequency often cause large resonance response;otherwise the impulses have little effect on the resonance response.

 
  • 當脈沖激勵頻率低于固有頻率的一半時(shí),往往會(huì )形成較大的共振響應,否則對于葉片振幅影響不大。
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