vibration modal test

基本解释

The dynamic parameters in the equations are determined by the modal vibration test.
通过模态振动实验识别其中有关的动力参数。
The finite element model of the tower is further dynamically updated according to ambient vibration test through modal sensitivity based model updating method.
在此基础上，采用基于灵敏度分析的模型参数修正方法，结合索塔动力特性的测试结果对索塔的初始有限元模型进行了动力修正。
Based on the experimental modal analysis and the vibration test analysis of motorcycle frame and engine, the author obtains the resonance frequency of the frame.
以实验模态分析为手段，通过对摩托车车架及发动机等部件的振动实验分析，找出了引起车架共振的频率；