振动自由度

用分子动力学方法研究瞬时加热振动自由度后的能量弛豫过程。

Energy relaxation processes initiated by suddenly heating of the vibrational degrees of freedom were studied with molecular dynamical method .

结果表明氧气的CV随温度的变化有一突变，这与能量均分定理所描述的基本一致，氧气的振动自由度被冻结的温度在240K左右。

The result shows that there is one saltation C_V . The experimental data is in good agreement with theorem of energy average . It is about ( 240 K ) that temperature of vibrancy freedom degree is frozen .

在费米子动力学对称性模型的框架下对中重质量区原子核的十六极振动自由度给出了一种新的描述。

A new description of the hexadecapole degree of freedom in the medium and heavy mass region in the framework of the Fermion Dynamical Symmetry Model ( FDSM ) is proposed .

电梯振动多自由度分析

The Multiple - Degree - Of-Freedom Analysis Of Elevator Vibration

车辆整车振动模型自由度的模糊选择

Fuzzy Selection for Freedom Degree of Vehicle Vibration Model

运用模糊数学理论，本文分析了车辆整车振动模型自由度与计算精度之间的关系。

Based on fuzzy theory , the relationship between the freedom degree of vehicle vibration model and the accuracy of calculation is analyzed in this paper .

对六自由度振动台的自由度（DOF）控制技术作了详细分析，得出其闭环控制传递函数。

In this paper , DOF control of 6-DOF seismic simulation system is introduced in detail , and the closed-loop transfer function is achieved .

用渐进功率谱的概念研究非线性系统的非平稳随机振动&单自由度系统

A Study of Nonstationary Random Vibration of Nonlinear Systems by Notion of Evolutionary Power Spectra Single-Degree-of-Freedom Systems

建立了振动磨机多自由度振动的力学模型；

A dynamic model of the two degree of freedom system of the vibration mill is set up in this paper .

深入探讨了弧面分度凸轮机构动力学建模方法，推导建立了考虑该机构输入和输出轴扭转及横向振动的多自由度动力学方程。

A deep inquiry is made in this paper into the methods of establishing dynamic models of the indexing cam mechanism .

振动在高自由度机械加工系统中一直是影响最终加工精度的关键因素。

Vibration is always the key factor which influences the last processing precision in the high-Degree of Freedom ( DOF ) mechanical working system .

采用伺服控制系统完成两轴液压振动台台面自由度驱动信号与液压缸位移驱动信号的转换，实现角振动台的自由度控制。

The servo control system is used to realize the DOF control of vibration table , i.e. , to convert the DOF drive signals to hydraulic displacement drive signals .

建立了该振动系统两自由度摆动的动力学模型，得到其运动微分方程，进行了不平衡响应分析，获得求解校正质量的平面分离方程。

The kinematic model of vibration system is established and the kinematics differential equations are obtained . On the basis of analyzing unbalancing response , the plane separation equations are achieved .

建立了两类分散度评价指标，考察了振动筛的自由度、振幅、频率和颗粒长径比等参数对分散度的影响规律。

This dissertation set up the two types dispersion evaluation index and investigated the influence law of the parameters such as vibration degree of freedom , amplitude , frequency and particle aspect ratio etc. on dispersion . 3 .

以整车模型的参数作为因素集，以驾驶员座椅1/3倍频带加速度均方根值作为评价集，用模糊综合评判确定了整车振动模型的自由度，并用试验验证了该方法的正确性。

The freedom degree of vehicle is determined by using fuzzy comprehensive judgment with the parameters of vehicle model and the RMS of driver seat in 1 / 3 octave frequency band form as factor sets and appraisal sets respectively .

建立了包含车架弹性振动的15自由度重型卡车整车振动模型，通过计算机仿真模拟了路面随机输入响应；

It was constructed that a truck model of 15 degrees of freedom including the beaming , the bending vibration of the frame . The simulation was carried out , which was used to describe the frequency response under road random profile inputs .

船舶作为一种复杂弹性体，船舶总振动属于无限自由度系统的振动，具有无限多个自由度，其自由振动可以分解成无限多个主振动的叠加组合。

As a complex elastomer , the total vibration condition of the ship belongs to the vibration of the infinite-freedom-degree system , with an infinite number of the degrees of freedom . The free vibration can be decomposed into an unlimited number of vibrations .

振动实验中单自由度线性系统损坏的可能性

Damage possibility of a single-freedom linear mechanical system in vibration and shock testings

随着振动台往多自由度，便携化的发展。

With the development of the vibration table to multiple degrees of freedom and portable device .

就单自由度线性振动系统、多自由度与连续振动系统、非线性振动系统的数学描述、求解、解形特点进行了讨论。

The Math expressions , requests , conclusions and characteristics of single-freedom-linear system , multi-freedom system , and nonlinear-system are studied .

本文概要论述了双轴惯性振动机构，两自由度动态模型的分析和优化方法。

After a brief description of the inertia vibrating mechanism with twin axles , the analysis and optimization method of dynamic model with two degrees freedom .

小文针对单级齿轮传动系统，综合考虑时变啮合刚度、齿侧间隙及误差激励的影响，建立了齿轮系统振动分析的单自由度非线性动力学模型，并分析了系统在参数激励下的响应。

In this thesis a one-degree freedom nonlinear dynamic model of a gear system has been established considering the backlash , composite error and the time-varying stiffness .

基于随机振动理论关于多自由度系统的频率响应函数、功率谱密度函数和均方根速度获得了夹层板的均方根速度响应表达式，从而发展该粘弹性夹层板的随机微振动响应分析方法。

The random micro-vibration response analysis method for viscoelastic sandwich plate is developed based on the frequency-response function , response power spectral density and root-mean-square velocity spectrum of the theory of random vibration .

第一、克服了经典轴承振动模型线性化假设的缺陷，建立了轴承振动5自由度的非线性模型。

The results are as follows : 1 . Overcoming the linearization hypothesis of classic bearings vibration model , establish the bearing non-linear model .

为了研究在动态测量过程中磁浮轨检车的随机振动对测量磁浮轨道几何参数精度和测量速度的影响，根据这一特殊车辆的结构特点和运动原理建立了整车振动五自由度模型。

A five-degree freedom vibration model of maglev track inspection vehicle was proposed based on the construction characteristics and the principle of motions of this special vehicle for studying how the vehicle stochastic vibration affects the measuring accuracy and measuring speed .