本文从无阻尼系统开始，讨论了物理参数的变化引起结构动特性变化的灵敏度。
Beginning with the no damping system in this paper, the change rates of the structure's dynamic properties, caused by the small change of system parameters are discussed.
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.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
本文探讨了用附加已知质量的方法求解无阻尼质量弹簧系统的逆特征值问题的可能性。
The purpose of this paper is to find out an approach of inverse eigenvalue problems of undamped mass-spring system by using an attached lump of known mass.
无阻尼输入滤波器可能使变换器系统不稳定或者振荡。
Undamped input filter may cause converter system unstable or oscillation.
并利用离散化的方法建立了串联盘式管道连续输送机传动系统在无阻尼情况下的动力学模型。
Besides, the dynamic model in driving system of the conveyer is established with through scattered method on no damping occasion.
在分析现有方法的基础之上，提出了一种基于线性无阻尼支承系统的刚体惯性参数识别方法。
Based on analysis of existing methodology, a methodology of inertia parameter identification based on the linear non-damping mounting system is put forward.
在小角位移的情形下，可近似得到相应的无阻尼线性系统的固有频率，它与观测结果吻合。
In the case of small angular displacement, the natural frequency of the corresponding damping-free linear system is obtained, which is consistent with the experimental observation.
机忻魅振动 （2学分）内容撮要：单自在度系统：自在振动、有阻尼受迫振动和无阻尼受迫振动；
Mechanical vibration (2 credits) Summary: The single degree of freedom systems: free vibration, forced vibration damped and forced vibration damping;
本文首先给出了一类具有无穷多个周期解的无阻尼二阶线性偏微分方程所描述的系统。
This paper is devoted to study the existence of an infinitude of periodic solutions for a class of second order linear PDE systems without damping.
首先，根据汽车动力传动系统的扭振当量原则与方法，分别建立了怠速工况与正常行驶工况下发动机、双质量飞轮以及传动系统的无阻尼多自由度扭振当量模型。
First of all, the two undamped multi-freedom torsional vibration models of DMF under idling and driving condition are built based on the principles of vehicle power train equivalent torsional model.
还提出了采用单自由度线性无阻尼自由振荡系统作为测定传感器谐波失真度的一个高纯度正弦波激振源。
It is also recommended in this paper that a linear nondamping free vibration system of a single freedom degree can provide a stimulant source of sine wave with high purti…
还提出了采用单自由度线性无阻尼自由振荡系统作为测定传感器谐波失真度的一个高纯度正弦波激振源。
It is also recommended in this paper that a linear nondamping free vibration system of a single freedom degree can provide a stimulant source of sine wave with high purti…
应用推荐