用模态实验的方法对某型飞机发动机机匣的模态参数进行了识别。
An engine casing modal experiment and modal parameters extraction have been introduced in the paper.
结果表明理论分析方法是正确的，有限元模型和模态实验方法也是可行的。
The results indicate that the theoretical results are right, and the FE model and experimental method are feasible.
通过模态实验校验的手段证明用这种方法进行榫接装配系统动力学分析是可行的。
Through modeling experiment , this method is proved to be feasible for analyzing the rabbet assembly structure.
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。
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.
进行了模态实验、敲击激振实验、白噪声和地震波输入的振动台实验，以及缆索拉力和振动频率的测试。
The experiments include modal tests, vibration tests by knocking, shaking table tests by inputting white-noises and seismic waves, and tests of cable forces and vibration frequencies.
以固体火箭发动机作为燃气发生器，成功的进行了静态海平面零马赫状态下引射模态实验，获得了相关实验数据。
Using solid rocket as gas generator, the sea level static ejector modal experiment was conducted successfully, and relevant data was obtained.
利用数字信号处理技术和模态实验方法，对不同情况下缸盖系统的动态传递函数和静态传递函数进行了分析比较。
By means of digital signal processing technique and model test, the properties of both dynamical transfer function and statical transfer function are analysed under varying conditions.
本文针对秦俑的抗震设计，提出了一种识别其结构参数的方法，该方法不仅满足秦俑的模态实验数据，而且符合质量分布不变的条件。
An approach for structural parameter identification of the model of Qin Terra-cot-ta Warrior is presented in the paper for aseismic design of these Warriors.
压电悬臂梁的实验表明，它们能使结构模态阻尼比大幅提高。
The subsequent experiments on a piezoelectric beam show that the structural modal damping ratio can be promoted significantly.
对微制造平台隔振系统进行了实验模态分析。
The modal testing of vibration isolation system of the micro-manufacturing platform is made.
实验模态分析技术应用于桥梁损伤检测是有效可行的方法。
In this paper, an efficient method for bridge damage detection is developed based on experiment modal analysis.
实验结果表明这种声辐射模态传感器的设计是可行的。
The experimental results show that this new type of radiation mode sensor is available.
应用上述方法对悬臂约束阻尼层梁的复模态参数进行了分析，并进行了实验验证。
The method has been applied to the complex model analysis of a sandwich cantilever beam with viscoelastic damping material core and verified experimentally.
阐述了高层建筑动力特性的实验模态分析法。
An experimental modality analyzing method for dynamic behavior of tall buildings is discussed.
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。
A microcomputer system developed for automotive experimental modal analysis is presented in this paper.
然后采用实验模态分析和有限元建模相结合的建模方法，获得了足够精度的传感器壳修正模型。
And then obtained the modification model of sensor shell with sufficient accuracy by adopting the combined modeling method of experimental modality analysis and finite element modeling.
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。
At last, the paper introduces the experimental modal analysis for truck SC-110's cab and structural using the microcomputer system.
用实验方法、解析方法和混合方法进行了模态参数的初步识别。
The initial modal parameters are then identified with the experimental approach, theoretical approach and hybrid approach.
为了提高RBCC引射火箭模态的推力性能，探索热力壅塞对引射模态推力的影响，开展了二次燃烧实验研究。
Secondary combustion was experimentally investigated to improve thrust of rocket ejector mode of RBCC, and to find the influence of thermal choke on thrust.
采用有限元数值模型与实验模态分析相结合的方法，寻求动力安全设计的基本方法。
Using the synthetic method of both finite element and modal analysis searches after a basic way of dynamic Safety design.
根据实验模态分析的需要，论述用计算机动画实现结构模态分析动画显示方法。
This paper expounds a method of realizing animated display of structure model by computer animation at the request of test model analysis.
利用有限元方法对摩托车车架动态特性进行了分析计算，并通过实验模态方法进行了相应的实验验证，获得了车架模态参数和振型。
It is analyse and calculation about the dynamic characteristic of motorcycle frame by FEM model, carry on validation through experimental modal method, Get back frame modal parameter and shake type.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
在地面常重力和落塔短时微重力实验中，观测到核态沸腾和双模态过渡沸腾现象。
Nucleate and two-mode transition boiling were observed during the experiments in both normal gravity and microgravity.
使用ANSYS有限元软件、实验模态分析技术对F320型石油井架模型的动态特性进行了数值与试验分析。
We had made numerical and modal analysis on the dynamic feature of F320 model derrick with ANSYS software and modal analysis technique.
研究过程中，综合使用了整机模态分析、零件有限元分析以及机床动态特性实验。
During research, it is adopted a mode analysis on complete machine, limited element analysis on parts and dynamics testing on machine.
本文研究了复合梁的模态分析结合实验建模方法，及其静力与动力稳定性问题。
Researches represented in this paper are the modal analysis and experimental modeling of the composite beam, and its static and dynamic stability.
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。
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。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
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