通过模态分析，得到表征试件动力特征的参数。
Some parameters which signify the dynamic properties of specimens were obtained from modal analysis.
通过模态分析，得到立柱和底座的前几阶固有频率和振型。
Modal analyses of the base frame and the vertical column were carried out to investigate their dynamic characters.
通过模态分析、瞬态动力学的方法，分析了叶片的动频、动应力。
Static and dynamic frequency and dynamic stress are analyzed by using the modal analysis method and the transient dynamics method.
首先通过模态分析，明确了此结构的动力特性；可为相关设计提供参考。
First through the modal analysis, this paper obtained the dynamic characteristics of this structure, giving reference for relevant design.
首先建立发动机总成有限元模型，通过模态分析，为发动机的结构修改提供依据。
First establish finite element model of engine assembly, and provide evidence for the structure modification of engine through mode analysis.
通过模态分析计算，得到了其各阶振型和固有频率，并根据计算结果对其抗振性作了分析。
Subsequently, some of the vibration modes and natural frequencies are obtained by modal analysis. Taking advantage of the results, the vibration-proof ability is analyzed.
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过对比浮钳式盘式制动器各零部件的有限元模态分析和试验模态分析所得出的模态阵型，验证了有限元模型的正确性。
Through the comparison of modal shape of floating caliper brake system elements by finite element modal analysis and experiment modal analysis, the validity of finite element model is confirmed.
通过对MB503型木工平刨床进行试验模态和空气动力学的分析，确定了木工平刨床的主要噪声源，并进行了实验验证。
Through the analysis of experimental model and air dynamic of type MB503 wood surface planer, and chief noise source was fixed, and was verified by the experiment.
通过理论推导与分析，得出损伤前后模态可能会跃迁的结论。
Through theoretical deduction and analysis, a conclusion of possible mode jumping is drawn.
通过分析不同的应力和位移边界条件得到了三种不同双层管结构中扭转模态的频散方程。
Dispersion equations of torsional modes in three different two-layer pipes are obtained by means of analyzing different stress and displacement boundary conditions of these structures.
通过与模态试验结果的比较可以发现，采用有限元法分析动叶片的振动特性是可靠和有效的。
We can find it is reliable and effective to use FEA to analyze the vibration characters of moving blades by comparing with the results of modal experiment.
通过对各阶模态参数的分析，找出了水箱疲劳损坏的原因，并提出了进一步改进的意见。
By analysing individual parameter, the cause of fatigue damage of water tank was found out, the advice of improvement was put forward.
通过试验检测和模态分析，对现有床身进行了实地测试。
The present body is tested with site trial and modal analysis by using excitation.
通过理论及资料分析，得出工程结构在损伤前后动力特性参数即模态参数的改变包括了损伤位置和损伤程度两方面的信息。
Through the theory and reference material analysis, it showed that the change of the dynamic characteristic parameters can reflected the damage location and degree.
通过对频响函数的测试，获得了某型柴油发电机组隔振系统各阶刚体模态频率和弹性模态频率，分析了该机组振源和振动特点。
In order to optimizing the vibration isolation of some diesel generator set, an analysis of the vibration character and excitation forces of it is presented through theory study and vibration testing.
针对一台铝合金车体的轻轨样车，进行了试验模态分析，通过试验说明了该样车具有良好的动态特性。
Taking a prototype light rail car with aluminum alloy car-body for example, the test model analysis is carried out. The test results show that the prototype car has good dynamic characteristics.
该方法首先通过对网页的预处理，分析其中不同模态媒体对象之间的链接关系，生成交叉参照图。
First, when the user submits a query media object, the candidate media objects are quickly identified by searching the cross reference graph.
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.
通过有限元模型和实际结构的曲率模态计算得到结构损伤因子，通过分析该损伤因子，可以判断实际结构的损伤位置。
Through comparing the curvature modes of real structure with finite element model, a damage factor was gained. Based on analyzing the damage factor, damage location can be identified.
采用动态应变测试和试验模态分析法对QTZ80型塔式起重机进行振动测试和分析，并通过实验结论验证其理论分析的正确性。
Vibration measurement and analysis of QTZ80 tower crane is conducted through dynamic strain test and experimental mode analysis. The correctness of theoretical analysis has been proved by the results.
通过对有限元模型进行模态分析和机电耦合分析，探讨了定子换能器的固有频率和定子结构尺寸以及两者之间的关系。
Through simulative analysis of finite element model and mechanical-electric coupled, the natural frequency of stator energy converter and stator's dimensions and their relation were discussed.
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。
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.
由于泄漏声发射信号的多模态特性和在管道内传播过程中的频散特性，使得通过相关分析进行管道泄漏定位的效果很差。
Due to the multi modes and dispersion nature of acoustic emission (AE) propagating in pipeline, traditional cross correlation technique do not perform well for acoustic leak location.
通过结构模态分析，利用一些可测点的响应来确定不可测点或其他点的响应具有很重要的理论意义和实际价值。
By structural modal analysis, it is of theoretical and practical importance to determine some responses based on other measured responses.
通过对白车身的模态分析，获得了车身结构固有的振动特性，并找出了车身结构在动态激励时的薄弱环节。
By the results of modal analysis of the body in-white, the body's natural dynamic features are got in the paper, and located some weakness of the structure.
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.
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.
通过有限元对其进行强度、刚度及动力学模态的分析，并以此进行了优化设计。
By FEM analysis for its intensity, rigidity and kinetics model, it has been optimized, practice shows that it is a successful design.
通过有限元对其进行强度、刚度及动力学模态的分析，并以此进行了优化设计。
By FEM analysis for its intensity, rigidity and kinetics model, it has been optimized, practice shows that it is a successful design.
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