介绍比较法振动传感器幅相特性测量技术的基本原理和传统实现方法。
The basic principles and characteristics of secondary vibration calibration method are described.
为智能板结构振动特性的分析提出了一种半解析法。
A new semi-analytical solution for the analysis of vibration characteristics of smart plate structures is proposed.
利用等效弹性法分析了压电矩形共振器的二维耦合振动，导出了振子共振频率的解析表达式。
Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectric ceramic plate was studied and the resonant frequency equation was derived out.
以包装件的力学模型为依据，用脉冲响应法求解产品中易损零件对振动环境的响应。
Basis on the dynamics model of the product package system, the response of vibration environment in fragility part of this system is calculated with the method of pulse response.
将影响系数法应用于水轮发电机转子现场动平衡，消除其振动故障。
The influence coefficient methods were applied in dynamic balance of hydrogenerator rotor at site to solve the vibration fault in this paper.
对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
并对在该模型下建立的动力矩阵用动力凝聚法进行简化，推导了相应的振动微分方程。
Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
本文研究用有限元法计算桥梁涡激振动的时程响应。
This paper studies the calculation of vortex-induced responses of Bridges by finite element models.
用有限元法对摊铺机振动梁进行了固有特性和谐波响应分析。
The intrinsic characteristics and harmonic responses of vibrating beam of paver are analyzed using FEA.
采用大变形几何非线性有限元法分析强夯加固机理及其振动对环境影响。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
将车辆模化为七自由度振动系统，采用频域法进行随机响应计算。
The vehicle is modelled as a vibration system with seven degrees of freedom.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
所得的计算成果为在应用有限元法进行土层地铁振动反应计算时确定合理的有限土域范围提供依据。
It will be the foundation for how to consider the scope of soil layer in soil layer response analysis under subway vibration which was calculated by direct finite-element method.
针对油层近井底地带堵塞、严重影响油井产量的问题，研发了水力振动法处理油层技术。
The hydraulic vibration oil layer treatment method is researched, because the bridging near hole bot-orn in the oil layers seriously affects the oil production.
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。
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.
实验中采用时间平均干涉测量法，得到了不同振动频率下物体的干涉图形。
Time average interference measurement method is used in the experiment, and the vibration interference patterns of the object with different vibrating frequencies is obtained.
本文应用键图法研究汽车振动问题。
The bond graph is used to study the vibration of automotive vehicles.
着重介绍振动检测法的原理、方法及其在螺杆泵故障诊断中的应用。
This paper introduces mainly the principle, measures and application of vibrating test, especially in diagnosis of bolt-pump fault.
提出了超声振动透镜聚焦法打孔的新的原理和方法。
The paper presents a new principle and method on laser drilling with focusing of ultrasonic vibration lens.
本文采用“自由振动法”，设计了一个等效单自由度振动体系，对某核电站基岩的阻尼特性进行了实验研究。
The damping characteristics of the bedrock in a nuclear power station are studied experimentally by free vibration system with one degree of freedom.
采用组合单元法分析了轴流通风机叶轮的振动特性。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
据此，指出了采用组合单元法分析叶轮振动是切实可行的好方法。
For this, it is indicated that it is practical to analyze impeller vibrating using composition unit method.
通过与模态试验结果的比较可以发现，采用有限元法分析动叶片的振动特性是可靠和有效的。
We can find it is reliable and effective to use FEA to analyze the vibration characters of moving blades by comparing with the results of modal experiment.
以4120SG柴油机为研究对象，提出基于激光测振的表面振动法测量柴油机辐射噪声。
The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed.
以往振动水冲法只是一种加固地基的方法。
The vibroflotation was a method only for strengthening foundation before.
为预防微风振动对输电线路的破坏、有别于传统的能量平衡法，研究了微风振动的半解析解。
Differing from the traditional energy balance method (EBM), the aeolian vibration has been researched by the semi-analytical solution.
采用折算系数法，建立了组合梁振动的运动微分方程，并对其振动特性进行了分析。
The differential equation of the vibration of combined beam is set up and its vibration characters are discussed in this paper.
采用折算系数法，建立了组合梁振动的运动微分方程，并对其振动特性进行了分析。
The differential equation of the vibration of combined beam is set up and its vibration characters are discussed in this paper.
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