After testing the intrinsic characteristic of power assemblys flexural vibration of a light passenger coach with modal cognition technology, a damping power shock absorber is designed.
应用模态识别技术对某轻型客车动力总成弯曲振动的固有特性进行了测试，设计了一阻尼式动力吸振器。
Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.
在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。
After the modal analysis of the housing of the SKR-4DL type winding machine with finite element method, the virtual instrument was applied to the on-line vibration property testing on the housing.
采用有限单元法对SKR - 4dl绕线机箱体进行模态分析后，利用虚拟仪器对箱体进行振动特性的在线检测。
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