文中探讨了多管火箭系统振动的变阻尼控制问题。
This paper focuses on the problem of the vibration control of MRLS-variable damper control.
结果表明：系统振动响应均随车速的提高而增大；
The effect of different type ballastless tracks and speed on the dynamic responses of the system is analyzed and compared.
故此分析结果有助于减小系统振动幅度，避免共振。
Therefore the analysis result is helpful in reducing the system vibration scope and avoiding resonating.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
在分析离散系统振动时，传递矩阵法是一种重要的方法。
In analyzing vibration of discrete system, transferring matrix method is of importance.
研究了高速移动荷载作用下轨道系统振动模拟的数值算法。
The paper presents the numerical algorithm of the rail system vibration simulation for high speed moving load.
请按图示正确方式安装，安装位置取制冷系统振动最小处。
Valve should be installed AD illustrations, and in place where there is little vibration.
大型动力系统振动控制的另一个重要问题是状态变量的测量。
Another important issue for the vibration control of dynamic system is the measurement of the state variables.
功率流实验研究是浮筏隔振系统振动特性研究的一个主要方面。
Experimental study of power flow is one of the major aspects of the researches on a raft vibration-isolating system.
讨论了转子轴系统的偏心质量矩和轴承刚度对系统振动响应的影响。
The influence of eccentricity mass moment and the bearing stiffness to vibration characteristics of rotor system was discussed in detail.
汽轮发电机组轴承座动力特性对转子-轴承系统振动有比较大的影响。
The dynamic properties of bearing support system has large influence on the vibration of large turbo generator unit.
经过计算发现，变幅杆的长度对系统振动频率的影响不如弯曲刀杆显著。
The calculation result shows that the length of amplitude lever had less effect on the vibration frequency of the system than that of the curvature cutter holder.
建立了一种新的由砂轮不平衡量引起工件及砂轮主轴系统振动的力学模型。
A new mechanical model of the vibration between the workpiece and the main spindle caused by the grinding wheel unbalance is proposed in this paper.
针对不同的机床，为使减小加工过程中系统振动，应避免采用一些特定的速度；
In order to reduce the system chatter, in the cutting process, some specific cutting speed should be avoided to adopt for different machines.
本文建立了一种新的由砂轮不平衡量引起工件及砂轮主轴系统振动的力学模型。
A new model of vibration mechanics concerning the vibration of the workplace and the main spindle caused by the grinding wheel unbalance is proposed.
在振动系统设计中加入压电传感片，压电传感片跟随系统振动，并产生感应电压。
Piezoelectric pieces are added to vibration system, they vibrate with system together and generate induced voltage.
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.
该模型由描述系统振动的双曲型偏微分方程组及相应的边界条件和周期性条件组成。
This model consists the hyperbolic partial differential equations, boundary conditions and cyclical conditions of the system.
在磨削加工中，砂轮不平衡量是引起砂轮主轴系统振动、降低磨削质量的主要原因。
In the course of the grinding process, the unbalance of the grinding wheel is the main reason for the vibration of the axis and the low grinding quality.
最后以弹底压力为弹引系统振动模型的输入，求解引信内传爆管装置处的加速度响应。
The acceleration response at the location of the booster device of the system under the projectile base pressure is finally calculated using the modified system vibration model.
将系统振动模态分为耦合模态与弧立模态，由数组相互耦合的模态张成耦合模态子空间。
The vibration modes are divided into two classes:separated and coupled. The coupled-mode subspace is spanned by the groups of coupled modes.
经管路模型试验和水泵机组试验证明，这两种隔振垫可使管路系统振动加速度级明显下降。
Through piping model test and pump unit trial it is shown that with the two types of isolating shims the vibration acceleration of the piping system can be reduced evidently.
最后以弹底压力为弹引系统振动模型的输入，求解出系统引信内传爆管装置处的加速度响应。
The acceleration response in the place of booster device of projectile-fuze system under the projectile base pressure was calculated using the modified system Vibration model.
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
本文从无阻尼系统出发，理论上分析了转子系统振动方程的特征根，特征向量所具有的特点。
In this paper, the properties of eigenvalues and eigenvectors of rotor systems are discussed. The derivation shows that eigenvalues are imaginary in non-damping systems, and eigenspaces are complete.
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.
建立了基于机械系统振动特征量的时间序列趋势预测GM（1，1）并进行了后验差精度检验；
The methods to enhance the modeling precision for the universal GM(1,1) applied to predicting the development of a mechanical pump based on vibration features were studied.
建立了基于机械系统振动特征量的时间序列趋势预测GM（1，1）并进行了后验差精度检验；
The methods to enhance the modeling precision for the universal GM(1,1) applied to predicting the development of a mechanical pump based on vibration features were studied.
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