试验模态分析是了解结构动特性的重要工具。
Test modal analysis is an important means for understanding dynamic characteristics of construction.
本文用试验模态分析技术研究了螺桨桨叶振动特性。
The vibration characteristics of propeller blades have been investigated by using experimental modal analysis technique.
通过试验模态分析和结构分析，找出结构存在的缺陷。
Through experimental mode analysis and structural analysis, defects in structure were found out.
轻型薄板式挡土墙试验模态测试与参数识别技术研究。
Study on technology for the experimental modal test and parameter identification of the light thin plate retaining wall.
利用脉冲激励法对轴结构件损伤状况进行了试验模态分析。
A test modal analysis of the damage about the shaft structure components is analyzed by the pulse-excitation method.
我希望现在你理解了用工作激励进行试验模态测试相关的这个问题。
Now I hope you understand the problems associated with running an experimental modal test with an operating excitation.
与试验模态结果相对比，证实了工作模态分析理论与方法的可行性。
Compared with the results of experimental mode, it proves that the theory and methods of operating modal analysis are practicable.
本文利用M序列的随机信号进行了机床运转状态下试验模态分析的探索。
This paper explores the experimental modal analysis of machine tool structures with rotating spindle. the excitation signal is the pseudo-random binary M series.
本文主要论述试验模态分析技术在建筑结构模型动态参数识别中的应用。
In this paper, the application of model parameters identification in dynamic tests of structural model are discussed and the associated theory and data analysis methods are also presented.
在试验模态分析基础上，对比分析模态参数，验证有限元模型的有效性。
Based on the experimental modal analysis, compare the modal parameters to verify the validity of finite element model.
试验模态分析是识别机械结构系统固有特性的一种常用、有效的现代技术。
The test modal analysis is an effective means to identify the intrinsic attribute of a mechanical structure.
本文基于试验模态数据和人工神经网络方法，对框架结构斜支撑进行识别。
Based on the experimental modal data and artificial neural network method, the sway brace in the framework structure is identified in this paper.
利用轮胎的试验模态参数和轮胎圈模型的特征方程确定圈模型的物理参数。
The geometric parameters of the model are directly obtained from the tire design, while the physical parameters, are calculated from the experimental modal parameters.
试验模态分析中，要获得完整的模态振型，需要在所有自由度方向都进行测量。
In experimental modal analysis, it is necessary to measure the response data in directions of all degrees of freedom to obtain the complete mode shape information.
采用一种新的思想进行轮胎建模研究，即用试验模态参数建立轮胎动力学模型。
This paper adopts a new method of tire modeling which USES experimental modal parameters.
本文根据试验模态分析技术，对x 8132万能工具铣床的动态特性进行了研究。
This paper deals with the dynamic characteristics of the X8132 universal milling machine based on the experimental model analysis technology.
通过理论计算及试验模态分析，研究了磁悬浮阻尼器参数对系统弯曲模态阻尼比的影响。
Influence of the magnetic damper on bending modal damping of the system is studied by theoretical and experimental modal analysis.
应用试验模态分析技术对ZS1105直喷式柴油机机体的动态特性进行了分析、研究。
This paper analyse the dynamic characteristics of cylinder block of type ZS1105 D. I. diesel engine applying test mode analysis technique.
采用试验模态分析和工作变形分析方法，探讨了摩托车整车振动问题的分析和解决思路。
The test modal analysis and the analysis of deformation due to operation are the ways the author takes in doing the job.
试验模态分析的历史始于1940年，用于测量飞机的模态参数，以准确预测颤振问题。
The history of experimental modal analysis began in the 1940's with work oriented toward measuring the modal parameters of aircraft so that the problem of flutter could be accurately predicted.
采用试验模态分析和理论模态分析相结合的方法，研究了齿轮系统的固有特性和动力响应。
The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
针对框架结构振动主动控制模型误差较大的特点，通常采用试验模态数据来修正计算模型。
Aimed at the characteristic of bigger error existed in active vibration control model of frame structures, experimental modes data are usually used to modify calculating model.
在试验模态分析中分量法及矢量法是非常简便实用的，但在处理密模态结构时会出现问题。
The quadrature and Vector methods are very simple and efficient in experimental modal analysis. The difficulties will be met in the consideration of structures with close-modes.
试验模态分析与有限元计算相结合的研究方法是一种实用、可靠的结构动态分析的现代方法。
Dynamic analysis of structure through combining the finite element method with the experimental mode is a practical reliable and effective modern method.
以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
Take model of drill pipe frame as a example, experimental modal based on ODS s testing method is studied and the modal parameter is distinguished and the testing results are analyzed.
在最简单的情况下，这些阶段可以非常简短，但试验模态分析基于对每个阶段基础内容的理解。
While these phases can be, in the simplest cases, very abbreviated, experimental modal analysis depends upon the understanding of the basis for each phase.
本文建立了一种“利用约束结构试验获取自由结构试验模态的伽略金法”(简称GMTCF)。
This paper established a Galerkin method for transforming constrained-structure test modes to free-structure test modes (GMTCF).
用试验模态分析方法测取的系统前1阶模态参数，由于噪声等多种因素的影响，具有一定误差。
There must be errors for the measuring values of the first 1 order data of a system due to the noise and other factors in the Testing Model Analysis.
利用试验模态分析结果，对有限元力学模型本身或其中某些参数进行修改是必要的和有工程意义的。
It is necessary and useful in engineering to modify a finite element model or some elements of mass and stiffness matrix by using modal test results.
用试验模态分析结果、模态综合技术、瑞利法相结合的办法，提高了试验模态分析所得振型的精度。
A method of mode correction is suggested to improve the accuracy of the experimental mode based on the results of experimental modal analysis, modal synthesis technique and Rayleigh's method.
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