The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.
并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法,识别结果与理论结果吻合较好。
2
Influence of the magnetic damper on bending modal damping of the system is studied by theoretical and experimental modal analysis.
通过理论计算及试验模态分析,研究了磁悬浮阻尼器参数对系统弯曲模态阻尼比的影响。
3
The results approved the structure design and damping design of air filter, and provided theoretical basis for vibration test.