With pulsation measurement method this paper tests the actual mode parameters (including mode shape, natural vibration frequency and damping ratio).
通过对公和桥实桥的脉动测试，分析确定了公和斜拉桥实测的模态参数(包括振型、频率以及阻尼比)。
Comparative analysis has been underway from bending deflection, strain to natural vibration frequency and mode shape.
文中采用实体单元建立有限元实体模型，对加固前后梁桥的挠度、应变、自振频率和振型进行了对比分析；
By model analysis and calculation on the main structure of Car Dumper, natural mode of vibration and mode shape of its 10 bands are obtained. 3.
对翻车机主结构进行模态分析计算，得到了其前十阶固有模态及振型。
After the transmission system's analysis, computation mathematics model has been established to this compressor transmission system using the transmission matrix law, In order to working out reverse natural frequency and inherent mode shape of transmission system with computer, the program was compiled with Matlab language.
在传动系统分析的基础上，运用传递矩阵法建立了该压缩机传动系统的计算数学模型，并用Matlab编制相应的计算程序对该系统的扭转固有频率和固有振型进行计算。
The results showed that the first 8-order natural frequency of tower crane parametric model in two heights is same, and the corresponding mode shape only occurred on lifting jib or arm.
结果表明，独立状态两种高度塔式起重机的前8阶固有频率相同，主要变形都发生在起重臂或者平衡臂上；塔身的固有频率随着高度的增加而降低。
The model of solid finite element for analyzing vibration of single turn of power transformer with XLPE cable windings is set up. Based on the equal fundamental of first-order natural frequency and same mode shape, the lumped parameter model of single DOF for single turn was obtained.
建立了分析电缆绕组变压器振动特性的单线匝体单元有限元模型，利用同振型一阶固有频率相等的原则，得到了单线匝单自由度集中参数模型。
At present, the majority of structural damage detection methods are based on the model parameters'(natural frequencies, mode shapes, mode shape curvature, etc.) changes or using of finite element model updating technology.
目前，结构损伤检测的大多数方法都是基于模型参数（固有频率、振型、振型曲率等）的变化或者利用有限元模型修正技术等。
For the grinding carriage of a camshaft grinder at high speed, mode analysis theory is used to analyze its natural frequency and mode shape.
以某型高速凸轮轴磨床砂轮架为研究对象，运用模态分析理论对砂轮架的固有频率和振型进行分析。
Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.
对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。
The typical natural frequencies and mode shape as well as the dynamic amplification of some buttresses under excitation of different levels are also given.
文中还给出典型单墩的自振频率和振型，不同激振状态下各墩位的动力放大情况。
Natural frequency and dominant mode shape of FGM beams under four kinds of boundary conditions were obtained.
求解了两端简支等四种常见边界条件下功能梯度材料梁的固有频率和主振型。
Meanwhile, an actual measurement of compressor experimental modal analysis has been done to identify its natural frequency, damping ratio and mode shape, which validated that the development of modal analysis software has high value of engineering application.
进而，采用该模态分析软件进行了压缩机实验模态分析的工程应用，获得其固有频率、阻尼比和模态振型，验证了本课题开发的模态分析软件具有较高实际工程应用价值。
Theoretical mode analysis is made by establishing the dimensional dynamic infinite element model of BeiDa Bridge with Midas software, thus natural vibration frequency and mode shape of BeiDa Bridge theoretically are concluded.
利用Midas软件建立了北大桥的空间动力有限元模型，并进行了理论上的模态分析，得到了该桥理论上的自振频率与振型。
With the powertrain of a heavy vehicle as a real example, the sensitivities of natural frequency and vibration mode shape are calculated and analyzed, based on which, the dynamic modification is also carried out.
并以某重型车辆动力传动系为实例计算并分析了其固有频率和振型的灵敏度问题，在此基础上进行了动力学修改。