molecular vibration theory 分子振动论
According To Vibration Theory 并根据振动理论
nonlinear vibration theory [力] 非线性振动论
Theory of Vibration 振动理论
Mechanical Vibration Theory and Applications 机械振动学
By Random Vibration Theory 应用随机振动理论
Theory & Testing of Vibration 振动理论与测试
beam vibration theory 梁振动理论
random vibration theory 随机振动的理论
Natural frequency of blade has been figured out, and vibration model has been set up by vibration theory. Amplitude and phase frequency responses have been analysed, the theory of speed-vector-end-tracking method has been discussed.
主要内容如下:1、通过振动理论计算出叶片各阶振型下的固有频率并建立了叶片振动模型,分析了叶片的幅频响应和相频响应,讨论了叶片测振的速矢端迹法理论,为实验开展奠定基础。
参考来源 - 旋转叶片振动性能参数测试技术研究Under the condition of without considering tire stiffness, multiple theoretical models of interaction of vehicle-simply supported girder bridge system are established. Using modal analysis method and free vibration theory, bridge frequency under vehicle load can be solved.
3、在不考虑轮胎刚度的情况下和在考虑轮胎刚度的情况下,分别建立了多个车辆—简支梁桥系统相互作用的理论模型,利用模态分析方法和自由振动理论,求解出车辆作用下的桥梁有载频率。
参考来源 - 中小跨径梁式桥动力检测技术及损伤识别方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Sometimes, people could finish some work by vibration theory.
有时，人们利用振动原理来完成某些工作。
Random vibration theory is the basis of structural dynamic reliability theory.
结构动力可靠性理论的基础是随机振动理论。
With random vibration theory the random vibration response analysis for gate structures are conducted.
应用随机振动理论进行闸门结构的随机振动响应分析。
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