对扭转弹性波的主动控制系统以及L MS算法进行了描述。
The active control of torsional wave propagating in a shaft and the LMS algorithm are described in this paper.
建立扭转弹性波主动控制系统的物理模型，研究二次源、误差传感器位置对最优控制效果的影响。
A physical model of the active control of torsional wave is set up in this paper. Dinfluence of error sensor and secondary source on the optimal control results is studied.
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.
平面问题和扭转问题是弹性问题解法书中的标准内容。
The plane problems and the torsion problem are standard fare in solution oriented books on elasticity.
本文用线载荷积分方程法(LLIEM)研究嵌在弹性半空间的弹性回转轴的扭转问题。
The problem of torsion of elastic shaft of revolution embedded in an elastic half space is studied by the Line-Loaded Integral Equation Method (LLIEM).
采用解析的方法研究了上覆单相弹性层的饱和地基上刚性圆板的扭转振动。
Torsional vibrations of a rigid disk resting on saturated medium with an elastic superstratum are studied by analytical methods.
如果该载荷重心在机翼结构弹性轴之后，则引起主机翼表面前端向下的扭转。
If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results.
文中给出刚性圆锥，圆柱，圆锥柱嵌在弹性半空间的扭转的数值计算的例并和他人的已知结果相比较。
Numerical examples of torsion of rigid conic, cylinder, conical-cylinder embedded in an elastic half space are given and compared with the known result obtained by the others.
文中也给出了刚性半球嵌在弹性半空间的扭转的精确解。
The exact solution of torsion of rigid half sphere embedded in an elastic half space is also presented.
分析了无限横观各向同性弹性圆柱中，刚性圆盘的扭转振动问题。
In the present analysis torsional oscillation of a rigid disk in an infinite transversely isotropic elastic cylinder has been considered.
裙子的腰部有弹性，可作为一个条纹裙子扭转。
Thee skirt has an elastic waist and can be reversed as a striped skirt.
本文应用弹性理论，对圆轴扭转时“刚性平面假设”进行了论证，为“刚性平面假设”提供理论依据和深化概念。
"Hypothes of rigid plane", as round shaft distorts, is expounded and proved by use of the elastic theory, thus providing the hypothesis with a theoretical basis and deepened concepts.
本文应用弹性柱体的扭转理论和有限元方法，计算了标准麻花钻横截面的扭转刚度。
In this paper, the torsional rigidity to twist-drill is calculated according to the theory of elastic column and the finite element method.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
自动调速装置所界定的要求，1其中扭转弹簧连接到集线器的方式有弹性的部分构成了过载保护和阻尼装置。
Automatic speed regulating apparatus as defined in claim 1 in which the torsion spring is connected to the hub by means of a resilient portion constituting an overload protection and damping device.
文末数值算例给出了动力柔度系数和扭转角幅值随无量纲频率的变化曲线，并与单相弹性介质情况进行了对比分析。
The dynamic compliance coefficient curves and the torsional Angle amplitude of a rigid disc versus the dimensionless frequency are presented.
本文用三维弹性力学理论求得球壳轴对称扭转振动问题的解析解。
In this paper, an analytical solution of twisted vibration problem for spherical shells is obtained by the three dimensional elastic theory.
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.
橡胶等弹性元件的加入，使得轴系刚度降低，在弹性联轴器两端易于产生扭转振动。
Because of elastic components such as rubber, rigidity of shafting goes down, which can arise torsional vibration on the ends of the elastic coupling easily.
和弹簧方法相比，虽然弹性体方法的计算量大，但是可以处理大位移的情况，尤其善于处理网格扭转很厉害的情况。
Compared with the spring analogy method, the method has big computation load and can treat the situation with big displacement and torsion.
轴系装置由于不仅具有惯性而且具有弹性，因此在周期性荷载作用下，会产生扭转振动，甚至于产生拍振。
Under the periodical loads, the shaft must have the torsional vibration, named "beat", because the shafting has not only inertia but also elasticity.
驱动力矩不再象以往那样简化为阶跃函数，而是决定于所用电机的实际机械特性。弹性尖峰力矩对于扭力杆缓冲装置的扭转刚度K_1的实验曲线与理论曲线基本一致。
The driving moment which used to be expressed, after some simplification, by step functions are now treated in strict accordance with the practical characteristics of the motors being used.
驱动力矩不再象以往那样简化为阶跃函数，而是决定于所用电机的实际机械特性。弹性尖峰力矩对于扭力杆缓冲装置的扭转刚度K_1的实验曲线与理论曲线基本一致。
The driving moment which used to be expressed, after some simplification, by step functions are now treated in strict accordance with the practical characteristics of the motors being used.
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