采用系统的方法研究了活塞-连杆-曲轴三者在相互接触条件时，在不同转角下的固有振动特性。
Have studied the natural vibration characteristic of the piston - connecting rod - crankshaft while keeping in touch with the condition each other adopting systematic methods.
设计参数合理的外弹性阻尼支承可以明显改善轴承-转子系统的固有特性及强迫振动响应。
External elastic damping support, if designed reasonably, may obviously improve the natural or forced vibration response characteristics of bearing rotor systems.
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.
从这些分析结果中可看出，影响系统固有频率和振动的因素不是单一的、线性的，是多种因素共同作用的结果。
From these analysis result, we can make a conclusion that the factors affects system natural frequency and the vibration is not unique and linear, but multiple and co-effective.
分析结果表明：操纵系统对旋翼桨叶扭转振动固有特性的影响是一个值得注意的问题。
The results obtained by these analyses show that the problem of the influence of control system on modal characteristics of the rotor blades torsional vibration is noticeable.
本文提出多自由度振动系统固有频率的一种近似解法。
A new approximate solution is given in this paper to estimate the fundamental frequency of vibration system with multiple freedom degree.
对求解结构固有频率的传递矩阵进行扩阶，推导了链式机械系统振动分析的扩阶传递矩阵算式。
The extended transfer matrix of the structural vibration analysis is derived by using the expansion to the transfer matrix to solve structural dynamic characteristic analysis.
针对600MW汽轮发电机转子-轴承系统，采用ANSYS计算了转子固有频率，分析其振动特性。
Aiming at 600mw turbo-generator rotor-bearing system, the natural frequencies of rotor are calculated by ANSYS to analyze the vibration characteristics.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
本文讨论任意粘性阻尼线性系统的固有振动，说明它在求系统响应和识别中的作用。
The natural vibration of linear systems with any viscous damping was discussed in this paper, its applications to the response and identification of the systems were explicated.
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.
针对齿轮耦合的简单平行转子系统，研究了固有振动的特点，分析了影响固有频率的主要因素。
Properties of free vibration were analyzed for simplified geared rotor, and the main factors of influence on eigen frequency were also analyzed.
的固有频率，阻尼比，模态振型，最大位移和破坏财产的系统进行了计算和分析的基础上的振动台试验。
The natural frequency, damping ratio, mode shapes, maximum displacement and failure property of the system were calculated and analyzed based on shaking table test.
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.
本文研究一个两跨板状简单模型在不可压缩流中振动时的固有动特性。 应用假设模态法建立系统的运动微分方程。
The dynamical characteristics of a simple two-span parallel flat plate-type model vibrating in incompressible water are studied here.
杆件的固有振动问题，可用有限元方法或差分法离散化为一个弹簧-质点串联系统的固有振动问题。
The natural vibration problem of the rod can be treated by discretion as a natural vibration problem of a spring-mass system, using finite element method or finite difference method.
应用陷波滤波器消除了弹体弹性振动固有频率信号对控制系统的影响，给出了陷波滤波器的设计方法，仿真结果证明了设计方法的正确性。
Notch filter is applied to Smooth over the problem of elastic vibration of missile body to reduce the bad effect on the control system. This Paper gives a method for the design of notch filter.
然后着重分析轨道梁结构参数对系统稳定性的影响和由此引发的车轨耦合振动情况，揭示出轨道梁振固有动频率对系统稳定性有重要的影响。
Then focus on the structural parameters, which also resulting system instability and the VCGV, reveal that the natural frequency of guideway and the stability of the system has important implications.
模态分析不仅提供了一种计算固有频率的方法，也可为研究高速加工系统的振动提供参考。
Modal analysis not only offers a good ways which can calculate natural vibration frequencies, but also brings forward wholesome advices for researching vibration of high speed cutting system.
系统以其固有频率振动又叫共振。
A system oscillating at its natural frequency is said to resonate.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
通过振动理论的分析得知，材料力学中静载荷的定量标准是：当加载时间为构件系统的固有振动周期的8倍以上时，这种载荷即可认为是静载荷。
By analysed on vibration theory we knew that the load js a static load in mechanics of materials, when the loaded time is 6-8 times as much than the natural vibration period of the unit of structure.
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.
同时作线性处理，计算一个简单模型的固有频率，为旋翼与机身藕合系统的振动特性和响应分析提供一种新模型。
The equations of couple rotor fuselage are linearized . An example is given and this paper provides a new model for analysis of coupled rotor fuselage dynamics.
同时作线性处理，计算一个简单模型的固有频率，为旋翼与机身藕合系统的振动特性和响应分析提供一种新模型。
The equations of couple rotor fuselage are linearized . An example is given and this paper provides a new model for analysis of coupled rotor fuselage dynamics.
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