振动法能有效地检测变压器运行中的绕组状况。
The vibration analysis method can effectively monitor the condition of power transformer windings.
横向振动法；
因此，本文设计了一套基于振动法的变压器在线监测系统。
Therefore, a transformer on-line monitoring system based on vibration method was designed in this article.
目前，要测定一根短纤维的细度，只有采用振动法的测定仪器。
Presently, only measuring instrument using vibration method can be adopted to measure the fineness of a thread of short fiber.
含水率对纵向基频振动法（FFT）测得的动弹性模量影响不显著。
While it had no significant effect on Resonant Frequency Vibration(FFT analyzer).
以某游泳馆拱下预应力拉杆检测为例，应用振动法测试拉杆的工作内力。
Taking the examination of prestressed pull rod under an arch in a natatorium as a sample, the working internal force of pull rod is determined by use of vibration method.
采用自由振动法测试得到了一批橡胶混凝土小变形阻尼比的基础性数据。
Free vibration method is employed to measure the damping ratio. A great deal of fundamental data for the damping ratio of rubber powder concrete in small deformation is obtained.
采用三维有限元随机振动法对洞坪拱坝泄洪诱发振动进行了较为深入的研究。
In this paper, vibration induced by flood release of Dongping Arch Dam is studied fully by a three-dimensional finite-element random vibration method.
利用面内弯曲振动法测得的动态杨氏模量值小于面外弯曲振动法测得的结果。
The dynamic Young's moduli measured by in-plane flexural vibration test were less than those measured by out-plane flexural vibration test.
实验结果显示出振动法与其他方法测得的弯曲刚度指标间存在着良好的线性相关。
The experimental results show that there exists a good linear relation between the flexural rigidity parameters measured by any other method.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration 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.
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.
算例表明，RITZ法给出的显式解具有较好的精度，可方便地用于振动法测估刚性拉索的索力。
The example shows that the RITZ solution is accurate enough and it can be used conveniently to measure and estimate the tension of rigid cables with vibration method.
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.
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.
该实验使用集成霍尔开关传感器，结合焦利氏秤用振动法求弹簧的倔强系数，并介绍了计算弹簧有效质量的一种方法。
The experiment used integrated hall switch sensor and Jonly balance in measuring obstinacy modulus, offered a method of calculating the spring efficiency mass.
采用表面振动法进行了柴油机表面辐射噪声的诊断，并对附加自由和复合阻尼的薄壁件进行了声辐射效率试验研究和整机试验。
The experiment of sound radiation efficiency and engine noise test were carried out when the engine was equipped with thin-wall components with free and compound damping.
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.
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.
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.
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.
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