periodic motion

1. Periodic motion in which the restoring force is proportional to the displacement. The Hang Seng Index suffered its second-largest points fall yesterday as stock markets plunged across Asia.
   恒定振幅的谐运动，其加速度与物体离开平行位置的位移成正比。恒生指数昨日创下历来单日第二大跌幅，亚洲各地股市亦全面大挫。
2. Long long ago, we knew the periodic motion of a planet.
   很久以前，我们就知道行星的周期运动。
3. It can be seen that a study of periodic motion will lay the foundation for future work in many different fields of physics.
   由此可见，周期运动的研究，是研究物理学各个领域的基础。
4. With a given collimator the integrated reflections in the parallel and antiparallel positions will be equal. periodic motion in which the restoring force is proportional to the displacement.
   对于一个给定的准直器，在平行和逆平行位置时积分反射是一样的。恒定振幅的谐运动，其加速度与物体离开平行位置的位移成正比。
5. A mechanical model of two-degree-of-freedom system with clearance was established, whose periodic motion and disturbed motion were studied.
   建立了一类两自由度含间隙系统的力学模型，并研究了该系统的周期运动及运动的受扰运动。
6. The dangerous value of control parameter which leaded to surf-riding and the domain of periodic motion and surf-riding were given.
   给出了导致骑浪发生的危险临界参数值，以及周期运动和骑浪运动区域划分。
7. The harmonic oscillator is an exceptionally important example of periodic motion.
   谐振子在周期运动中是特别重要的。
8. Stability and Bifurcation of Periodic Motion in a Mechanical Vibration System with Random Clearance
   含随机间隙机械振动系统的周期运动稳定性与分岔
9. An example is periodic motion, such as the precession of a particle with intrinsic spin and magnetic moment in a constant magnetic field.
   一个例子是周期运动，如一个带有自旋和磁矩的粒子在恒定磁场中的进动。
10. And quasi-periodic and chaotic motion can bifurcate from periodic motion when parameters of the system are changed.
    而在系统参数变化时，又由周期分叉形成了准周期和混沌。
11. Wavelength: Distance between corresponding points of two consecutive waves. "Corresponding points" refers to two points or particles that have completed identical fractions of their periodic motion.
    波长：波的相邻两对应点之间的距离。「对应点」是指处于相同相位的点，即完成了一个整周期运动的两点。
12. Study on effect of dry friction on periodic motion of impact vibration system
    干摩擦对碰撞振动系统周期运动的影响分析
13. When the speed exceeds some value, the chaotic motion suddenly changes into periodic motion.
    当转速超过某值时，混沌运动将激变为周期运动。
14. Periodic Motion for Stability and Bifurcations Geared Rotor System
    齿轮转子-轴承传动系统的周期运动稳定性与分岔
15. For the dynamic model of strongly nonlinear gear systems with backlash, the stability of periodic motion was studied by numerical methods when the system parameters and the initial conditions were changed.
    针对含间隙的强非线性齿轮系统动力学模型，用数值方法研究了当系统参数和初始条件变化时周期运动的稳定性。
16. The Periodic Motion and Stability of the Dry Friction Vehicle System
    干摩擦车辆系统的周期运动和稳定性
17. In this paper, the method of feedback pulse of system variable was applied to control the discrete map and continuous nonlinear system for transforming a stable periodic motion into an unstable chaotic motion.
    用系统变量的脉冲反馈法控制离散和连续非线性系统，使系统由稳定的周期运动转变为不稳定的混沌运动。
18. The stability of the periodic motion decreases as the depth of the transverse crack on the rotating shaft increases.
    裂纹深度的加大降低了系统周期运动的稳定性。
19. A model of a nonlinear-dynamic system is established based on the principle of Coulomb torsion balance. Stability of this model is discussed and the solution for periodic motion is obtained.
    根据库仑扭秤实验的原理提出了一个非线性动力系统模型，分析了其稳定性及其周期运动。
20. In this state, every oscillators play same periodic motion, but their phases are different.
    在这个状态下，每个振子作相同的周期轨道运动，但是每个振子的相位不同。
21. Periodic Motion and Stability Condition of Multimass System Vibrating with Impact
    有碰撞存在的多体振动系统的周期运动和稳定条件
22. The nonlinear dynamics of a vehicle suspension system with piecewise linear viscous and dry friction damping was studied. The theoretical method on the stability analysis of a system in periodic motion was presented.
    对分段线性阻尼和干摩擦共同作用下的车辆悬挂系统进行了非线性动力学分析研究，阐述了判定系统周期运动稳定性的理论方法；
23. In this paper we study the existence of the periodic motion in limite sets of dynamical system in general metric space.
    本文研究了一般度量空间中动力系统的极限集内周期运动的存在性。
24. He paper is concerned with the stability of the springless vibrohammer periodic motion with one shock per period.
    本文讨论了无弹簧式振动锤锤体在每个运动周期内冲击一次的简单周期运动。
25. Based on the dynamical model of nonlinear system of a gear pair with backlash and time-varying mesh stiffness, the bifurcation structure of periodic motion and chaotic motion in parameter plane is studied.
    基于含有间隙和时变啮合刚度的非线性单级齿轮系统动力学模型，对参数平面内周期运动和混沌运动的分岔结构进行了研究。
26. Periodic Motion and Global Bifurcation of a Class of System with Elastic Constraint and Clearance
    含间隙和弹性约束系统的周期运动与全局分岔
27. The nonlinear stability of the periodic motion of the rotor system with crack is investigated. Floquet theory and the shooting method is chosen to obtain the bifurcation patterns and the stability of periodic motions.
    利用打靶法结合Floquet理论，对裂纹转子系统稳态周期运动的稳定性进行了分析与研究，揭示了裂纹转子系统同步周期运动分岔导致概周期运动与混沌运动的演变过程。
28. Provide reference data for the final design of a variable-speed passive periodic motion of the bionic leg hopping robot.
    为最终设计出变速无源周期运动的仿生腿式跳跃机器人提供数据参考。
29. Among the many human control technology is proposed based on inverse kinematics algorithm for the periodic motion.
    在众多的人体控制技术基础上，提出一种基于逆向运动学的周期性运动算法。
30. The steady state, periodic motion and chaos of the original system are affected by time delay.
    分别探讨了时滞反馈对原系统稳定状态，周期运动和混沌状态的影响。

noun

1. motion that recurs over and over and the period of time required for each recurrence remains the same

   Synonym:    periodic movement