rotating nature frequency 旋转固有频率
Structure Nature Frequency 结构谐振频率
frequency nature 自然频率
time-frequency nature 时频兼顾性
By some typical examples, the characteristics of nature frequency, modal and transfer function are investigated. The conclusions obtained can be useful for the damage identification of such structures.
讨论了结构各阶固有频率和振型特征,同时研究了面/芯开裂对结构动力响应的传递函数的影响,为该类结构的损伤识别提供理论依据。
参考来源 - 含损伤复合材料夹层板的振动和传递函数分析Excellent nature frequency and damping are obtained in the end. They provide references for improvement of capability of hydraulic AGC system.
对不同固有频率和阻尼比下系统的动态响应和误差进行了比较,从而在理论上得到了液压AGC系统的固有频率和阻尼比,可以作为液压AGC系统性能改进的参考依据。
参考来源 - 轧机液压AGC系统及FMV阀的特性分析与试验研究By studying static and dynamic analysis of floor lattice shell, to grasp structure deformation, regular pattern of nodal displacement and nature frequency, etc. According to mechanical properties, the rules of brace arrangement are presented.2.
本文主要进行了以下工作:一、对落地球形网壳进行静动力分析,掌握结构变形特征、节点位移分布规律、自振频率等,根据网壳力学性能提出支撑布置原则。
参考来源 - 约束屈曲支撑在落地球形网壳中的减震效果分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The conclusion is that the damping ratio will increase, and the nature frequency will decrease along with the number of knots mounting up.
结论是：随着节子个数的增加，木材振动模态的阻尼比增大，而其固有频率减小。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
It is proved that this dither controller can track the drift of dither mechanism's nature frequency, and keep the dither system work safely.
实验表明：该控制器能够跟踪抖动系统的自然频率漂移，保证抖动系统的安全工作。
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