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- complex mode shape derivatives 复振型导数
- However, an exact relation between the normal mode shape and the complex FRF does exist. 然而,正规振型与复频响函数间的确存在一正确的关系。
- In this paper, based on the complex mode analysis theory of random vibration, we derived eqs. 采用随机振动复模态理论,对北京电视塔模型在三维非平稳地震激励下的响应特性进行了计算研究。
- The strength, stiffness and mode shape of the rear axle housing was calculated via finite elemant methool (FEM). 根据计算结果分析，指出了其结构存在的缺点，提出了改进方案。
- It concludes that the mode of the linear pe-riodic time-varying vibration system is complex mode and isperiodically time-varying. 通过研究发现，线性周期时变齐次系统的模态不仅具有复模态的性质，而且为周期时变性。
- The stochastic seismic response characteristics of the inequable loess stratum were analyzed by using the mode shape decomposed method. 算例结果表明,非均匀黄土地层的地震反应具有明显的放大作用。
- The advantage of ESPI for vibration measurement is that we can obtain the resonant frequency and the correspondent mode shape at the same time. 利用光学的电子斑点干涉术做为物体振动量测之特点，在于获得振频的同时，亦可得到其对应之振型的全场图。
- The feasibility and effectiveness of the extended pseudo mode shape method are justified by using a solid-modeled shaft and bladed disk as example. 本文利用三维实体元素之转轴与叶片轮模型验证模态仿形法应用叶片轮凝缩建模之可行性。
- The physical interpretation of P11 and PVDF mode shape functions are characterized respectively.The FRFs between the PZT actuators and PVDF sensors are experimentally measured. 以模态分析之理论基础推导对于压电材料梁系统之传统模态形式的频率响应函数，并分别验证得到压电片和压电薄膜模态振型之物理意义。
- Secondly, it establishes the dynamic model of the aerostatic bearing-spindle system, using the finite element method to obtain the natural frequency and mode shape. 其次，建立气体静压轴承-主轴系统动力学模型，以有限元素法求解其自然频率、振型。
- This paper gives a theoretical formulation for the extraction of mode shape by fitting the cross power spectra of the outputs and a cantilever beam is analysed. 该文提出了一种用互功率谱求振型的方法,并对此理论进行了详细推导,以一悬臂梁为例对该方法进行了试验验证。
- In this paper a complex mode synthesis method for structural system with hysteresis damping is presented. The method is based on Craig mode synthesis method of components with fixed interface. 本文在Craig固定界面模态综合法基础上提出了一个针对滞后阻尼结构的复模态综合方法。
- Our results show that FSI affects the system modal frequencies seriously, but mode shapes slightly. 结果表明，流固耦合作用对系统模态频率的影响较大，对系统模态振型的影响较小。
- complex mode superposition method 复振型分解法
- Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
- Garvey S D, Penny JET, Friswell M I, et al.Quantifying the correlation between measured and computed mode shapes. 曹其英.;结构数学模型相关分析理论及方法研究:[博士学位论文]
- complex mode method in time domain 复模态时域法
- Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
- According to Davenport wind spectral,the filter of geaerlized fiuctuating wind forces for the mode shapes is established. 以Davenport风谱为标准，建立了相应于各振型的广义脉动风力成型虑波器。
- It is an effective way that reduced-order models of MEMS devices are established based on linear orthogonal mode shapes. 论述了微机电系统(MEMS)器件缩减模型的建立是进行MEMS系统级模拟的关键。
