模态试验

在ZJ15型钻机底座模型上进行的模态试验结果的对比分析，验证了方法的可行性。

The method put forward is confirmed to be feasible by comparison between two modal testing results of a ZJ15 model substructure .

多点正弦模态试验技术的注记

Notes on the Multiple-Input Modal Testing Technique With Sine Dwell Excitation

P型井架模态试验与分析

Model Test and Analysis of Type P Derrick

CFRP拉索斜拉桥模态试验与分析

Modal Test and Analysis of Cable-Stayed Bridge Used with CFRP Stay Cables

结果表明，在拱结构模态试验中，ED法具有一定的合理性，但其随机性较大。

It is found that the ED method has certain rationality in the arch modal experiment , but its randomness is bigger .

用脉冲锤击法进行了弹性地基上自由板的自由振动模态试验，并用Mescope软件分析传递函数，得到了7阶位移模态和应变模态。

The free vibration modal experiments of elastic foundation free slab were conducted by hammer-hitting excitation method , and 7 order displacement modes and strain modes were obtained by analyzing transfer functions used Me'scope software .

32m预应力混凝土梁横向模态试验分析

Experimental analysis of lateral modal for 32m-span prestressed concrete beam

研究了圆弧拱结构的模态试验结果及利用MSC/Patran（Nastran）有限元分析计算模态的结果。

It presents the result of modal test and finite element analysis by MSC / Patran ( Nastran ) for a are structure .

X-2导弹模态试验及分析

Modal test and analysis of X-2 missile

为了探讨振动台的固频与振型对强化抛光的影响，本文首先对三维振动台进行了Y向与Z向模态试验，得到了三维振动台的各阶模态。

For the purpose of studying natural frequency and vibration mode influence on strengthening and polishing , this paper goes forward X and Y model test for three-dimensions strengthening and polishing vibrating equipment , and obtains its each order model .

方法利用单输入单输出（SISO）模态试验方法和数值模拟方法，对一榀钢管混凝土柱-H钢梁框架结构模型的动力特性进行测试分析。

The Single Input and Single Output ( SISO ) modal experiment and numerical simulation was used to study the dynamic behavior of a CFST column-H steel beam frame structure model .

针对某六缸发动机半挂牵引车，应用振动ODS方法分析了该动力总成的振动特性，并通过模态试验验证了振动ODS分析结果的正确性。

Aiming at a tractor with six cylinder engine , the vibration characteristics of powertrain are analyzed by using ODS method , the correctness of ODS analysis is validated through modal test .

设计并成功进行了依维柯A40新客车白车身模态试验，获得了其动力学特性。

The modal test of the body-in-white was designed and carried through successfully , and the dynamic properties of the body of the IVECO A40 new bus were obtained .

本文分析了双栅FET的混频机理，给出了双栅FET的三种非线性模型.本文介绍了一个轴压圆柱形薄壳的模态试验结果以及利用MSC/NASTRAN计算壳体非线性模态的结果。

This paper analysis the mixing mechanism of DGFET and introduces three nonlinear modes of DGFET mixer operation . The modes test , nonlinear modes analysis and the modification of FEA model by NASTRAN for a axial pressured cylindrical shell is reported here .

利用Guyan静态缩聚法和向量扩充法等方法进行自由度匹配，利用张德文法提取基于约束状态下模态试验的自由结构的模态参数。

Using Guyan static state reduction and vector expansion carries on the degree of freedom match , and extracts free mode from test data based on the constrained condition .

为了验证所编制程序的可靠性，对GW2.4S动力总成进行了模态试验。

In order to verifying the software 's reliability , a modal experiment had been carried out against GW2.4S engine-transmission assembly .

本文详细叙述了X-2导弹的模态试验及分析，给出了有关的试验结果，并对模态试验分析在导弹设计中的应用作了介绍。

Modal test and analysis of X-2 missile are discussed here in detail . Some test results are given Finally , the application of modal test and analysis in missile design is introduced .

本文对S1100柴油机机体进行模态试验和受迫响应模拟分析，得到其结构的动态特性。

The authors present the modal test of S1100 diesel engine and its forced response analysis under simulated working conditions , and obtain its structural characteristics .

用自由悬挂、单点激振多点拾振法进行模态试验，CADA-X软件辨识模态参数，结果验证了结构隐含的薄弱环节。

Modal test is carried out by means of free hanging , single vibration excitation and multiple-vibration picking up . The model parameters are identified by CADA-X software . The test results verify the weak links included in the structure .

作者利用有限元分析和模态试验相结合的方法建立了可靠的有限元计算模型，并对1G-175旋耕机进行了改进设计，获得了质量轻、结构应力分布合理且动特性好的改进机型1G-175A。

In this paper , the reliable finite element model is built by combining the finite element analysis method and modal analysis test . The structure of rotary tiller 1G-175 is improved and the light-weight revised type 1G-175A is obtained which has proper stress distribution and fine dynamic characteristics .

转子动力参数的模态试验和计算机分析

Modal Test and Computer Analysis of Dynamic Parameters for A Rotor

高速机构用夹芯复合材料横板模态试验分析

Modal Test and Analysis of Sandwich Composite Beams for High-speed Mechanisms

桑塔纳2000型轿车前悬架锤击法模态试验研究

A Study of Santana 2000 Car Front Suspension Hammering Model Method

用于大型运载器模态试验的油气支承系统

Oil-Air Support System Uesd to Modal Test for Large-Sized Launch Vehicle

多点相位协调及纯模态试验研究

Research on Phase Coordination of Multi Points and Normal Modal Test

运营状态下杨浦大桥模态试验与状态评估方法研究

Research on Operational Modal Test and Condition Assessment for Yangpu Bridge

应变模态试验技术在渡槽结构损伤诊断中的应用

Application of strain mode test to structural damage diagnosis of aqueducts

用多点随机激励进行结构模态试验分析

The Experimental Analysis of a Structure Model by Multipoint Random Excitation Method

弹性地基板模态试验及地基动参数识别

Modal Experiment on Elastic Foundation Slab and Identification of Dynamic Foundation Parameters

汽车结构模态试验分析方法

The Vibrational Modal Testing and Analytical Methods for Automotive Structures