模态分析法提供了一种有效的方法。
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.
有限元法与模态分析法是本文的两大理论支柱。
Finite element and modal analysis are the support of theory.
在较特殊的条件下，与复模态分析法的结果是一致。
The results here are consistent with those given by the complex modal analysis method when it is applicable.
以某一四缸发动机的结构改进为例，阐述了模态分析法的实际应用。
Taking the structure improvement of a four cylinder engine as an example, the application of simulation mode analysis in the practice is described.
该理论分析及应用过程对促进模态分析法的工程应用具有重要意义。
The theoretical analysis and the application of software are more important for the use of modal analysis in engineering.
从公式推导可以看出，模态分析法同样可以用来解决此类冲击问题。
From the derivation, it is seen that the modal method can also be used to solve this kind of impact problem.
运用弹性梁弯曲振动理论和模态分析法建立了多轴汽车平顺性分析的柔性模型。
A flexible model of multi-axle vehicle ride comfort is presented by combining the vibration theory of elastic beam and modal analysis method.
采用子空间模态分析法建立了适合一致地震激励下桥梁振动控制分析的瞬时最优控制算法。
The Instantaneous Optimal Control(IOC) algorithm suitability for the vibration control analysis of bridges under uniform earthquake excitation is proposed based on the subspace mode analysis method.
求解有阻尼多自由度结构系统的振动微分方程，实模态分析法是得到广泛应用的一种有效方法。
The dynamic response of the damping multi-DOF structural system is usually calculated by the real modal analysis method.
把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.
采用模态分析法研究了在缓冲设计中考虑外包装箱的缓冲作用，为合理设计缓冲结构提供理论依据。
The theory of cushion packaging design considering the cushion effect of outer box was studied with modal analysis and the theoretic basis was provided for cushion packaging design.
本文用传递函数的模态分析法研究了电机定子铁芯的振动模态，介绍了试验原理、装置及测试结果。
In this paper, the test for vibration mode of stator core of an electric - al motor are studied using the transfer function mode techniques.
基于建筑结构的特点，分析了振动模态分析法在建筑损伤诊断中应用较少的原因，并对将来的研究方向提出了几点建议。
Based on the characters of structure, it analyses the reasons that the application of vibration modal analysis on damage diagnosis is less, and some pieces of advice are proposed.
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.
本文介绍了大型建筑机械的试验模态分析法，对各激振方式的特点进行了分析，提出适用于大型建筑机械的激振方式并将其用于实践。
The modal identification and excitative selectiion for large scale construction machinery are analyzed in this paper, and the proposed method has been used in enginnering practice.
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。
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.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
通过利用ANSYS对某钢桁架桥进行了模态分析，并用时程分析法进行了在横桥向和竖桥向激励下的地震响应分析，得到了在关键截面的位移和杆件内力响应峰值。
The mode response of a steel truss bridge was analyzed by ANSYS and its seismic responses under transverse and longitudinal excitation were calculated using time-history analysis function.
通过利用ANSYS对某钢桁架桥进行了模态分析，并用时程分析法进行了在横桥向和竖桥向激励下的地震响应分析，得到了在关键截面的位移和杆件内力响应峰值。
The mode response of a steel truss bridge was analyzed by ANSYS and its seismic responses under transverse and longitudinal excitation were calculated using time-history analysis function.
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