The paper analyzed the exciting vibration sources and forms while engine normal vibrating by means of mechanic vibration theory.
运用机械振动理论分析了发动机机体正常振动时的激振源和振动形式。
The theory and strategy of vibration control for flexible redundant manipulators are studied by the optimal control theory.
应用最优控制理论，对柔性冗余度机器人振动控制问题的原理与策略进行了研究。
So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究，并用试验来验证理论分析的可靠性。
We use grey system theory to analyze the experimental findings and found out the parameter which mostly affects the vibration velocity of tapered roller bearing.
利用灰色系统理论对试验数据进行分析，找出了对轴承振动速度值影响比较大的参数。
The method of design and formula of calculation in the rational vibration shape are derived in the theory.
从理论上导出了求得合理振动形态的设计方法及计算公式。
Theoretical analyses show that the one dimensional vibration model of a slender rod can be derived out from the theory.
理论分析表明，细长条的长度伸缩振动模式可由所述理论直接导出。
On the basis of analyses over the collision theory, a motion mathematical model of the mixture on the vibration sieve is established with proper assumption.
从颗粒碰撞理论出发，在合理假设的前提下建立物料颗粒在筛面上的运动模型。
According to the elastic thin plate theory and vibration theory, a boundary element method (BEM) was used to analyze the frequency characteristics of a thin plate in lateral free vibration.
根据弹性薄板理论和振动理论，运用边界元法(BEM)分析了薄板弯曲自由振动的频率特性。
Based on fuzzy theory, the relationship between the freedom degree of vehicle vibration model and the accuracy of calculation is analyzed in this paper.
运用模糊数学理论，本文分析了车辆整车振动模型自由度与计算精度之间的关系。
Lagrange's equation in analytical mechanics is the basis of the mechanical vibration theory and the equation with dissipation function is important to this basis.
分析力学的拉格朗日方程是机械振动理论的基础，含耗散函数的拉格朗日方程又是这个基础的重要方面。
The paper starts from the theory of mechanical vibration, with tie equipment in the reliability design, and obtains a formula of design on critical speed in common use situation.
从机械振动理论出发，用可靠性设计中的联结方程，得出了其在常用工况下按传动轴的临界转速进行可靠性设计的公式。
For revealing the dynamic behavior of the sod-nonlinear structure interaction system, the vibration equation of interaction system is analyzed using modern dynamic theory.
为了揭示地基-非线性结构相互作用体系的动力行为，采用现代动力理论对体系的振动方程进行了定性分析。
Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.
在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。
According to the basic theory of vibration, the article considers that vibration in the process of excavation can reduce the digging force and improve the energy efficiency greatly.
本文从振动的基础理论出发，认为在挖掘过程中施加切削方向的振动后，能够大大降低作业过程中的挖掘阻力，并提高能量的利用效率。
This thesis utilize the analytic method to stator of ultrasonic motor the curving vibration, receive the theory expression formula of the natural frequency of the round annular sheet metal.
本文利用了解析法对电机定子面内弯曲模态的特征进行了分析，得到了圆环形薄板固有频率的理论表达式。
Based on the theory of laser speckle, a new method to measure the angular vibration of object by the laser speckle is suggested in this thesis.
本文在现有的散斑理论基础上，提出了一种利用激光散斑实时测量目标散射面角振动的新方法。
This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.
以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。
Wide band random vibration of structures is an interesting area in the theory of random vibration in which the number of responding modes is so large that some asymptotic behaviour may be observed.
结构的宽带随机振动理论是随机振动理论中一个引起兴趣的领域。这种随机振动模态数量很大，从而呈现简单的渐近趋向。
Firstly, fundamental conceptions of dynamic system and linear theory of cutting vibration are mentioned, which is used as the mainstay of nonlinear theory in the dissertation.
首先，本文讲述动态系统的一些基本概念和切削颤振的线性理论，作为非线性理论方面的研究成果的基础。
In this paper, the effects of the multi-stage damping constructions have been described and a formula to calculate the damping efficiency derived on the basis of the vibration theory.
本文在振动理论的基础上，沦述了多级减振方案的减振效果，导出了减振效率公式，同时对试验台的结构设计进行了介绍。
According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced.
根据对自振特性的理论分析，结合工程检测实例分析了自振特性在桥梁检测中的应用。
The general motion equation of rigid body in gyroscopic theory is used to analyze the motion of double universal joint in the transmission system of engineering mechanism vibration grinder.
用陀螺理论中刚体一般运动的方程对汽车、工程机械、振动磨机等系统中传动系的双万向节进行了运动分析。
This paper consists of three parts. The first part is about the theory of vibration and analysis methods.
本文主要由三个部分组成，第一部分是关于振动问题的理论基础。
Considering the environment and based on the theory of vibration, a vibration isolation method for airborne cabinet is proposed in this paper.
针对机载电子设备所处的振动环境，结合振动理论，阐述了一种机载机柜隔振设计的方法。
By means of the finite element theory, the inherent frequencies and vibration characteristics for existing rail line under different supporting conditions are analyzed.
运用有限元理论，分析了既有线路在不同支承条件下的固有频率和固有振动特性。
Using theory of vibration wave propagation, the concept of the attenuation coefficient of vibrating acceleration is drawn, and the test results of attenuation coefficient are analyzed.
应用振动波传播理论引出加速度衰减系数的概念，并对加速度衰减系数的试验结果进行了分析。
First, the equations of vibration were established using the theory of thin shallow shells.
首先利用扁壳体理论建立了大跨柔性屋盖的振动方程。
The principle of the method of peak value picked was expounded based on random vibration theory, and the concept of virtual response was brought forward.
基于随机振动理论阐述了峰值拾取法的基本原理和方法，并提出了虚拟响应的概念。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
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