每个约束子结构的运动，由保留的自由界面主模态和剩余惯性释放附着模态表出。
The motion of each constrained substructure is represented by the free-interface normal modes that is kept and by the residual inertia relief attachment mo-des.
其次，本文对主梁进行了模态分析，研究了主梁的振动特性以及运行机构底座处下盖板在振动的影响下，产生裂纹的可能性。
Secondly, carry on the mode analysis to the girder, research the girder vibration property and the probability of crackle takes shape in the vibration effects of traveling organization pedestal.
指出传力杆模型对模态频率和主振型有直接影响，动力分析中应当考虑接缝的剪力传递和弯矩传递。
The transfer of shearing and moment must be considered in dynamic analysis because the model of dowel bar affects the modal frequency and modal shape directly.
基于有限元方法，对Y7125型磨齿机的砂轮主轴进行模态分析，得出了四阶主振动频率，并对数据进行了处理。
This paper analyzes the modal of Y7125 gear grinder spindle, gets out the main four stages of spindle vibration frequency and deals with the data.
分析结果表明，在大跨度悬索桥中，多模态效应和模态耦合效应对主梁的竖向和扭转位移抖振响应有显著的影响。
It is shown that the multimode and mode coupled effects on the vertical and torsional buffeting responses of the bridge deck are quite obvious.
在第4章中先对甲板吊臂架结构进行模态分析，确定结构的固有频率和相应的主振型。
In chapter 4, in order to ascertain its inherent eigenvalue and corresponding main vibration, modal analysis is first implemented for the jib structure of deck crane.
首先对昆玉河斜拉桥做了动力模态分析、反应谱分析、主塔及全桥稳定性分析等常规分析。
Firstly, Routine analyses such as dynamic modal analysis, response spectrum analysis, buckling analysis were used to analyze the bridge.
利用有限元方法，完成对望远镜主转动框架的结构静力分析和模态分析。
Static analysis and modal analysis on the structure of telescope main rotary frame was achieved by means of finite element method.
利用有限元方法，完成对望远镜主转动框架的结构静力分析和模态分析。
The structural static analysis and modal analysis of main rotational frame of telescope are carried out by integrating finite element method in this paper.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
采用线性插值及双线性插值得到预测点位置上的本征模态值。 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
The linear interpolation and bilinear interpolation were employed to obtain the values of the proper modes on locations where the wind pressure time series are to be predicted.
采用线性插值及双线性插值得到预测点位置上的本征模态值。 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
The linear interpolation and bilinear interpolation were employed to obtain the values of the proper modes on locations where the wind pressure time series are to be predicted.
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