作为实例，第一次导出了弹性振动系统最优时间的明显的表达式。
As a concrete example, the optimal time expression of the elastic vibration system has been derived for the first time.
通常，人们关心系统的弹性体模态，因为主要是由那些模态导致了我们遇到的所有噪声和振动问题。
Typically, people are concerned about the flexible modes of the system because those are the modes that generally cause all the noise and vibration problems that we encounter.
就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。
This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.
线性弹性系统确定的谱曲线对非线性滞回振动仍然是有意义的。
The spectrum curves determined for linearly elastic systems still have significance for nonlinear hysteretic vibrations.
对一类具有弹性连接的空间多刚体振动系统建立动力学模型。
A dynamic model for a kind of spacial multi-body vibration system with elastic coupling was built.
通过WVIS -ME45隔振器的轴向弹性变形来传递螺旋桨的推力，有效地控制了船舶推进系统的振动和噪声。
It is efficient to control the vibration and noise of the propulsion system since the thrust is transmitted by axial elastic deformation of WVIS-ME45 vibration isolator.
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.
文中采用的锤击力振动梁测量系统测试动弹性模量快速、简便，并有较高的精度和可信度。
The method for determing the dynamic modulus adopted in the present experiment was found not only simple and convenient, but also highly precise.
运用运动弹性动力学方法建立高速曳引式电梯机械系统的动力学模型，进行其动态特性分析及振动控制研究。
The dynamic model of a high-speed traction-elevator is built up the dynamic characteristics of the system are analyzed and the vibration control techniques are studied.
所建立指数律的状态观测器，实现了以较少传感器估计系统弹性振动模态的目的。
An exponential observer based on fewer sensors is constructed so that elastic modes of the systems can be available at all instants.
本文将铁路轨道看作由钢轨和轨枕组成的双层弹性系统，用两个偏微分方程联立描述其振动。
In this paper the railway track is considered as a double elastic system of both rails and sleepers and the vibration is described in detail with two partial differential equations.
本文采用非线性分析方法研究了同时考虑支承阻尼和转子外阻尼的弹性支承滑动轴承系统的油膜失稳振动问题。
This paper studies the film unstable vibration of bearing system supported by flexible support considering both support damp and rotor extemal damp by use of nonlinear analysis.
为对新型粘弹性履带式工程机械的动态特性进行分析，需建立“路面—履带式车辆—驾驶员”随机振动系统模型。
A random vibration system model of "road-crawler type vehicle-operator" is needed for the analysis of dynamic characteristics of new type viscoelastic crawler construction machinery.
首先从机电动力学出发，描述了机电弹性系统模型并以现代控制理论为基础，阐述了机电振动产生的机理。
Firstly, the flexibility model of main drive system of rolling mill is described. The mechanism of electromechanical vibration is set forth based on modern control theory.
通过对频响函数的测试，获得了某型柴油发电机组隔振系统各阶刚体模态频率和弹性模态频率，分析了该机组振源和振动特点。
In order to optimizing the vibration isolation of some diesel generator set, an analysis of the vibration character and excitation forces of it is presented through theory study and vibration testing.
磁悬浮控制力矩陀螺(CMG)中转子一阶弹性模态自激振动是影响磁悬浮高速转子系统稳定性的关键因素之一。
In magnetically suspended control moment gyroscope (CMG), self-excited vibration of high-speed rotor is one of principal factor which effects stability of active magnetic bearing (AMB) system.
本文讨论具结构阻尼系数的细长体飞行器的弹性振动方程支配系统的最优控制问题。
In this paper, we discuss the optimal control problem for an elastic oscillating system of fine-long cube flying object with structure damping coefficient.
本文针对卫星微型雷达，建立多柔性体系统动力学仿真模型，研究多柔性体上的弹性振动对雷达捕捉目标精度的影响。
In the paper, the system of the flexible bodies in the mini-type satellite radar is simulated to study the influence of the torsional vibration on the dynamic precision of the radar.
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.
将离散系统振动分析中的通用的矩阵摄动法推广到连续系统。 采用弹性结构理论算子，对连续系统的振动特征值摄动问题进行统一描述。
A united solution procedure for eigenvalue perturbation problem in structural vibration analysis of continuous systems is proposed with the aid of operator operation.
基于此，本课题为弹性联轴器研制扭转振动测试系统，模拟其在长期运转的工况测试其扭转振动情况。
Because of this, a torsional vibration test system for elastic coupling is developed, which can test torsional vibration of elastic coupling under the stimulated work conditions.
并从实际出发，考虑砧下垫层的弹性作用及垫层和土壤的阻尼作用，建立了锻锤振动系统的双自由度有阻尼振动力学模型。
In the last part of this paragraph, a calculation model for forging hammer foundation vibration system with dual-freedom is presented.
从机械系统动力学理论出发，参照振动系统的“质量弹簧阻尼”模型，分析推导了系统动力学平衡方程，得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
Dynamics theory and the "mass-spring-dashpot" system model were used to develop an equilibrium equation. The mass matrix, elasticity matrix and damping matrix were given.
建立了带压电分流阻尼系统的四边固支正方形弹性薄板振动控制的实验模型。
The optimal placement of PZT transducers for a piezoelectric shunt damped system are analyzed according to the vibration control of the first five modes of a clamped thin plate.
模型中，矿车被等效为两自由度弹簧-质量-阻尼系统，铁轨被等效为铺设在连续弹性道床上的伯努利·欧拉梁，矿车与铁轨的振动相互耦合。
In this model, the tramcar was regarded as two degrees of freedom spring-mass-damper system, and the track was regarded as Bernoulli-Euler beam that locates on continuous and elastic ballast.
参数激励双摆属两自由度时变系统，是研究多自由度系统以及弹性体梁参激振动的基础。
Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam.
本文研究分析复杂隔振系统力学建模的模态机械阻抗综合法和其在振动分析中应用，通过浮筏隔振系统算例，讨论了弹性体模型和刚体模型的计算结果。
It is a new approach based on traditional mechanical impedance synthesis analysis. A flexible raft isolation vibration system is given as an example, and the numerical...
本文针对卫星微型雷达，建立多柔性体系统动力学仿真模型，研究多柔性体上的弹性振动对雷达捕捉目标精度的影响。
In this paper, the mini-type satellite radar is studied to analysis the influence of the torsional vibration of the key parts on the dynamic precision of the radar.
本文针对卫星微型雷达，建立多柔性体系统动力学仿真模型，研究多柔性体上的弹性振动对雷达捕捉目标精度的影响。
In this paper, the mini-type satellite radar is studied to analysis the influence of the torsional vibration of the key parts on the dynamic precision of the radar.
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