Experimental modal analysis is a technique to build modal model based on the measured data.
实验模态分析是基于实测数据建立系统数学模型的技术。
A microcomputer system developed for automotive experimental modal analysis is presented in this paper.
本文介绍了自行开发的适用于汽车工程的实验模态分析微机系统。
Based on the experimental modal analysis, compare the modal parameters to verify the validity of finite element model.
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。
The vibration characteristics of propeller blades have been investigated by using experimental modal analysis technique.
本文用试验模态分析技术研究了螺桨桨叶振动特性。
The calculated lower-frequency bending vibration modes of the powerplant are consistent with experimental modal analysis results.
对该动力总成的主要低频弯曲振动模态的计算结果得到实验模态分析结果的验证。
Influence of the magnetic damper on bending modal damping of the system is studied by theoretical and experimental modal analysis.
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。
At last, the paper introduces the experimental modal analysis for truck SC-110's cab and structural using the microcomputer system.
最后介绍了应用该系统对SC- 110汽车驾驶室和车架总成的实验模态分析。
Dynamic behavior of the cloth cutting machine (Model FJM102) is investigated by using the experimental modal analysis method impulsing excitation.
运用锤激振对服装剪裁机进行了实验模态分析，系统分析了服装剪裁机的动态特性及产生误差的原因。
As in most experimental situations, the success of the experimental modal analysis process depends upon having very specific goals for the test situation.
大多数试验情况下，成功进行模态试验依赖于对试验情况有非常明确的目标。
While these phases can be, in the simplest cases, very abbreviated, experimental modal analysis depends upon the understanding of the basis for each phase.
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。
A local exciting method was used to obtain the high-order modes information on a reinforced concrete frame model by the experimental modal analysis method.
采用局部激振方法对一个钢筋混凝土框架结构模型施加激励，通过实验模态分析获取高阶局部模态信息。
Dynamic mechanical characteristics of 3d woven composite beams are studied by means of the software of ANSYS and the experimental modal analysis technique.
采用有限元分析软件ANSYS分析了三维机织复合材料悬臂板的动态力学性能，预测了其固有频率和振型。
Furthermore, a new method combining computational mechanics, neural network and experimental modal analysis was demonstrated for composite health monitoring.
进而提出了一种将计算力学、神经网络和实验模态分析相结合的复合材料结构脱层损伤检测的新方法。
The experimental modal analysis of five-axis linkage milling machine is made by using hammer-hitting pulse-inspirit method and change time based sampling method.
对五轴联动铣床采用锤击脉冲激励法和变时基采样方法进行实验模态分析，获得机床的各阶固有频率、振型及其相应的振型动画。
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。
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.
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。
Modal parameter estimation (commonly referred to as curvefitting) is probably, by far, the hardest part of experimental modal analysis for most people to understand.
到目前为止，对大多数人来讲，模态参数估计（通常称为曲线拟合）可能是试验模态分析中最难以理解的部分。
The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
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。
Finite element dynamic analysis and experimental modal analysis have been carried out utilizing the large structure analysing program SAP5P for a certain motor vehicle frame.
应用大型结构分析软件SAP5P，对某车架进行了有限元动态分析和实验模态分析。
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.
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。
In this paper, the FEM and the experimental modal analysis techniques are employed to analyze the frequency response of the Fuel Rail Assembly. A simplification method is introduced.
采用有限元方法与模态试验技术，分析了燃油分配管总成的频率特性。
Started from mechanics mode, the theoretical mode of modal analysis has been drawn, illustrating the principle of experimental modal analysis from both the positive and negative viewpoint.
从物理模型出发，推导出了模态分析的理论模型，从正反两个角度说明了实验模态分析的原理。
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.
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。
Based on modal synthetical method and experimental modal analysis, the main parameters of dynamic vibration absorber on a cantilever plate and on a structural model are optimized in this paper.
本文运用模态子结构综合法进行结构动态计算和用实验模态分析法进行模型试验，对悬臂平板和结构模型的动力吸振器主要参数进行了比较系统的优化研究。
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.
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。
Two modal identification methods undergoing ambient excitation are investigated for the object of large structures based on modern experimental modal analysis theory and ambient vibration technology.
本文以大型工程结构为研究对象，以近代实验模态分析理论及环境振动识别技术为基础，着重研究了两类基于环境振动的模态参数识别方法。
Compared with the results of experimental mode, it proves that the theory and methods of operating modal analysis are practicable.
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。
The aim of this thesis is to explore applications of modal experimental analysis, computer simulation and dynamic optimum design of machine structures on the assigned design goals.
本文主要研究旨在探索运用模态实验、计算机仿真分析及优化对机床结构进行指定目标下的动态设计。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
Based on the experimental results of the above three methods, modal parameters of the vibration test bench are determined by the comprehensive analysis.
通过对上述三种方法实验结果的综合分析，确定振动教学实验台的模态参数。
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