查询词典 mode of vibration

To validate the proposed method, numerical simulation and a vibration mode test of a cantilever beam are completed, where the mass varies continuously with time.

为验证方法的有效性，进行了数字仿真和附加质量随时间连续变化的悬臂梁的模态分析试验，试验结果和理论结果比较，表明了提出的线性时变系统的模态参数识别方法有效、可行。

Nanjing health massage mattress far used microcomputer automatic control, there is a variety of beat vibration mode, and a variety of massage modalities, and there is 20 minutes automatic timer function.

远宁健康按摩床垫全部采用微电脑自动控制，有多种敲打震动模式，和多种按摩方式，并有20分钟自动定时功能。4。

The picture of the lattice vibration mode for one-dimensional monatomic chain induced by an interstitial impurity is studied mainly.

主要研究了一维单原子链中间隙式杂质引起的晶格振动图像，分析了杂质质量和恢复力系数对振动模的影响。

The vibration mode and natural frequency of machine's frame are closely related to its resonance phenomena.

机身的振型和固有频率与其振动现象的发生有密切联系。

Lattice vibration ; Characteristic yalue of the matrix ; Partial mode

晶格振动；矩阵特征值；局部模

The analysis results from gear vibration signals show that the fault diagnosis method based on intrinsic mode singular value decomposition and support vector machines can extract fault features effectively and classify working conditions and fault patterns of gears accurately even when the number of samples is small.

对齿轮振动信号的分析结果表明，即使在小样本情况下，基于内禀模态奇异值分解和支持向量机的故障诊断方法仍能有效地识别齿轮的工作状态和故障类型。

On the problem of model parameter determination, the singularity distribution method is used to derive the expressions for numerically calculating the added mass arised from vibration of the structure under three-dimensional case; The aero-dynamic damping ratio is identified from the testing data based on the methods of empirical mode decomposition, improved random decrement and Hilbert transformation; The reduced-order spectral representation method is also deduced in this chapter based on the technique of proper orthogonal decomposition.

在模型的参数计算上，采用奇点配置法推导了三维情形下结构振动诱导流场附加质量的数值计算方法；联合采用经验模态分解、改进的随机减量法及Hilbert变换对索穹顶结构的气动阻尼进行了识别分析；推导了基于本征正交分解的降阶谱解法。

Used FEM model of ZS250GS motorcycle has been set up. Inherent frequency, vibration mode and syntonic response of the motorcycle have been analyzed.

建立了ZS250GS型摩托车整车的有限元分析模型，进行了固有频率、模态、发动机刚性和弹性悬挂下的谐响应分析。

At the same time, this thesis studies the effects of mode truncation and parameter uncertainty for control system in structure vibration control.

同时，本文研究了结构振动控制中，模态截断及其参数不确定性对控制系统的影响。

The power generator is designed in the form of cantilever beam and excited at first resonance mode to generator maximum vibration amplitude.

首先利用有限元素法分析微发电机结构之第一共振模态，本论文还利用实验量测发电元件的模态并与有限元素分析结果比对。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。