应用表明用有效模态质量进行模态识别，可以有助于找到尾轴架系统的固有频率和振型。
The practice application expresses that effective modal mass could be helpful to find natural frequency and vibration shape.
利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。
The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
模态是结构的固有振动特性，每一阶模态都具有特定的固有频率、阻尼比、振型、模态刚度和模态质量。
Mode is structure's inherence characteristics, each mode has specifically resonant frequencies, damping values, mode shapes, mode stiffness and mode mass.
采用有限元方法对印制电路板进行了模态分析，依据有效模态质量和模态振型分析了振动环境下配制电路板的薄弱环节。
The modal parameters of the printed circuit board (PCB) were calculated using finite element method, and the weaknesses of PCB were found using effective modal masses and mode shapes.
依据设计原则，利用模态刚度矩阵、模态质量矩阵和模态频率相似进行了扭振模拟机轴系的设计，扭振模拟机轴系前三阶固有特性与实际机组轴系扭振动特性基本一致。
By modal stiffness matrix, modal mass matrix and modal frequency, shaft units of simulator is designed. The former three steps natural characteristics are identical with the real units'.
从根本上讲，这些特性依赖于结构的质量和刚度，它决定了固有频率和模态振型何处存在。
Basically, there are characteristics that depend on the weight and stiffness of my structure which determine where these natural frequencies and mode shapes will exist.
为使第二阶模态频率避开发动机一阶惯性力频率，文中对扶手架的质量、刚度进行局部修改，结果使手把振动有较大幅度的下降。
To separate these frequencies, we make a local modification to mass and stiffness of the handle and results in the vibration on the handle of walking tractor to reduce considerably.
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.
但是，至少所有的数据将是一致的，不会因为质量荷载影响造成模态参数估计过程失真。
But at least all the data will be consistent and will not distort the modal parameter estimation process due to mass loading effects.
白酒蒸馏的甑内过程是复杂的多模态动态过程，新酒质量的好坏很大程度上取决于蒸馏操作。
The inner process of the distillator is a multimode dynamic process. To a great extent quality of the spirits depends on operation of the distillation.
提出一种基于不完全模态测量数据同时修正有限元质量矩阵与刚度矩阵的有效数值方法。
An efficient numerical method for simultaneously updating mass matrix and stiffness matrix of a finite element analytical model based on incomplete modal data measured is presented.
组织分类方法随图像模态、图像特征和图像质量不同而不同。
The tissue classification methods are different due to image modality, characteristics and quality etc.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
对箱体有限元模型进行模态和静应力分析，并以箱体质量为优化目标进行优化设计，得到最优化参数，改良了原有设计。
Based on the modal analysis and static stress analysis of the spindle box, it makes the mass of the spindle box optimization, the optimum parameters are attained and the design gets improved.
DT - MRI(简称为dti)是一种比较新的医学图像模态，其成像过程中产生的噪声会降低图像质量，可能对其下一步的处理产生影响。
DT-MRI (or DTI) is a relatively new medical image modality. It's quality degradation caused by noise in the imaging process may result in bad influence on its post-processing steps.
对某全承载式大客车进行了结构有限元分析，研究了该客车结构强度、振动模态频率、质量等多个性能目标的优化设计问题。
Structural FE analysis on an integral bus is performed, in which optimal design of multiple performance objectives of structural strength, vibration modal frequency and mass is researched.
本文还提出了一种附加质量法来修正高阶模态的截尾误差而不采用剩余柔度矩阵，从而使本法能简易地获得高精度。
In this paper, the additive mass technique is also proposed for correcting the truncation error of higher order modes without using the residual compliance matrix.
给出了一种砌体结构质量的振动模态检测方法。
In this paper, a modal test method for quality evaluation of masonry structures is presented.
当质量参数超出某有效区间时，系统将失去对高阶模态响应的衰减作用。
The decrement of higher modal response of the rotor system is lost when damper mass-factor exceeds a limiting range.
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.
资讯科技对于FM模态给最好的声音质量并且为ssb模态给最大的效率。
It gives best audio quality for FM mode and maximum efficiency for SSB mode.
最后对设计的弹簧质量块系统分别进行了模态分析和谐波响应分析，分析结果和理论一致。
At last, the designed spring mass system were carried out modal analysis and harmonic analysis, and the analysis results consistent with the theory.
采用导纳法测试了薄铝板的模态密度，并对其测试结果进行了附加质量修正。
Also this paper has tested the modal density of thin aluminum using point admittance, and discussed the influence of mass correction.
采用导纳法测试了薄铝板的模态密度，并对其测试结果进行了附加质量修正。
Also this paper has tested the modal density of thin aluminum using point admittance, and discussed the influence of mass correction.
应用推荐