许多有机分子作为固有振动频率相同的飞行情报区。
Many organic molecules have the same intrinsic vibration frequency as FIR.
介绍了一种悬臂梁结构固有振动频率的计算机测试系统。
A computer testing system developed to analyze the inherent vibration frequency of cantilever structure is described.
据说他还对紧绷的弦，管子，贝壳和满载的船的固有振动频率进行了测试。
He is also reported to have experimented with the relationship between consonance and the natural frequencies of vibration of stretched strings, pipes, shells, and filled vessels.
本文用有限元法分析了柯氏力对桨叶旋转面固有振动频率的影响。
The influence of coriolis force on the natural frequencies of the rotor blades is analysed by the finite element method.
运用近频摄动理论分析了双轴钻床钻轴刚度失谐后对钻轴系统固有振动频率的影响。
The effect of the detuning of the stiffness of drilling spindle on the frequency of double spindle drilling machine is discussed by using Perturbation theory of nearly equal frequencies.
计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
建立固有振动频率和颤振阻尼对结构参数的敏度公式，设计两种不同优化问题的数学模型。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
采用摄动法求得了其近似解，得到了载流梁在磁场中的横向固有振动频率及位移解析表达式。
The perturbation method was employed to get the control equation's approximate solution. The analytical expressions of beam's natural lateral vibration frequency and displacement were derived.
由系统振动位移响应公式得出，当摩擦力变化频率与系统固有振动频率非常接近时就会出现共振。
When friction changing frequency is very close to natural frequency, there will be resonance from the vibration displacement response formula.
在考虑了汽车固有振动频率及行驶速度后，利用该方法对A、E两个等级的公路路面进行数值仿真。
Considering the effect of the vehicle natural vibration frequency and velocity, the simulation and analysis are done on a, E-the two grades of road using this method.
空气弹簧具有变刚度特性，其固有振动频率要比钢板弹簧低得多，且不随汽车承载质量的变化而改变。
Air spring is characteristic of variable stiffness, its natural vibration frequency is much lower than that of leaf spring and will not change with load of vehicle.
通过对其结构参数优化，使其射击频率与结构固有振动频率匹配更加合理，实现其射击的动态稳定性。
Through the structure parameter optimization, the matching between firing frequency and structure solid vibration frequency was more reasonable and the dynamic stability of firing was realized.
分析认为，氧化锌晶须渗入在复材中将形成微观的阻尼结构，起到降低固有振动频率和增大衰减率的作用。
By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性，成功求得了其固有振动频率和振型函数，计算结果得到试验验证。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
通过得到的固有振动频率值，并与电磁力激发的强迫振动频率值进行比较，对不同情况下鼻端引水线在运行时的安全性进行一定的分析。
The natural frequencies and frequencies of electromagnetic force of diversion water pipe are compared, the security of diversion water pipe in different running condition is analyzed.
最后以附着了任意个弹性质量的圆膜为例给出了其频率方程的具体计算公式，并用数值计算了对称附着两个刚性质量的圆膜的固有振动频率。
The frequency equation is derived by considering the dynamics of the attached elastic masses. Finally, for an example, the calculation formulae of the frequency equation fo...
结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.
以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。
This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.
本文提出了一种用于分析环形超声波电动机定子振动固有频率的简便、有效的方法。
The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.
在振动分析中，为什么自然（固有）频率很重要？
研究结果表明：自由液面和刚性壁面对结构的固有频率、振动响应及声辐射的影响是不容忽视的。
The results of this research show that the impact of the soft surface and the hard plane on the structural natural frequencies, vibration responses and the acoustic radiation cannot be ignored.
考虑轴向力和截面转动惯性效应的影响，导出弯曲振动的固有频率。
The influence of the axial force and the inertial effect of the cross section on the natural frequency of flexural vibration is considered.
本文提出一种计算汽轮发电机定子绕组端部振动固有频率的有限元方法。
A finite element method is presented for the calculating natural frequency of turbogenerator stator end windings.
由于构件的材料参数、几何参数及所受的载荷均为随机变量，所以构件振动时其固有频率及疲劳极限亦为随机变量。
Material characteristics, geometrical property of a structural components and the load acted on it are random variables. As a result, its natural frequency and fatigue strength are random ones.
讨论了在弹簧振子质量不可忽略的条件下，弹簧振子系统振动固有频率的精确解。
This paper derives the precise solution about the inherent frequency of the mass-spring system when the mass of the harmonic-spring is not negligible.
计算结果表明，疲劳裂纹不仅使悬臂梁的固有频率下降，而且引起非线性强迫振动响应。
The results show that the fatigue crack not only decreases the natural frequency, but also causes non linear vibration.
采用动态刚度阵法计算船体总振动的固有频率。
Dynamic Stiffness Matrix Method is applied to compute vibration of ship hull.
建立刚性悬挂接触网的自由振动有限元模型，计算其固有频率和振型。
The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up.
建立刚性悬挂接触网的自由振动有限元模型，计算其固有频率和振型。
The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up.
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