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- Based on the correlation principle, an algorithm to decomposite the damped free vibration signals of a two degrees of freedom system with close natural frequencies is put forward. 摘要基于单一频率成分的自由衰减振动响应信号的相关性原理,提出了一种频率密集成分的两耦合振子自由衰减振动响应信号的解耦算法。
- Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam. 摘要参数激励双摆属两自由度时变系统,是研究多自由度系统以及弹性体梁参激振动的基础。
- muhiple degree of freedom system 多自由度系统
- multi- degrees of freedom system 多自由度系统
- multiple degree of freedom system 多自由度系统
- beam-multiple degree of freedom system 梁-多自由度耦合系统
- inelastic single degree of freedom system 弹塑性单自由度系统
- An identification algorithm for vibrating dynamic characterization by using RBF (radial basis function) artificial neural network is developed for multi-degree of freedom systems. 基于径向基函数(RBF)神经网络,提出了水轮机振动荷载参数识别方法。
- Deducting the elastoplastic responses of one single degree of freedom system with bilinear model,this paper investigates the ductility demand and energy dissipation for viscous dampi. 通过对单自由度双线性模型的塑性响应分析,考察固定阻尼比和固定阻尼系数两种情况对延性需求的影响,以及粘滞阻尼和塑性变形的耗能差异。
- I'm old enough to have the freedom to do as I like. 我已经足够大了,有权去做我喜欢做的事。
- The results show that: integral ARX model gives stable and highly precise results, which is more suitable for structural parameter identification of multi-degree of freedom systems. 结果表明:整体ARX模型的识别结果较为稳定且精度较高,更适合于进行多自由度结构参数识别。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Democracy is a bulwark of freedom. 民主是自由的保障。
- They bought peace with their freedom. 他们牺牲自由换取和平。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗?
- I think freedom does imply responsibility. 我认为自由一定包含着责任。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The core of our appeal is freedom of speech. 我们的要求的核心是言论自由。