1) phugoid mode of metion
长周期运动
2) the long-period motion of the moon
月球长周期运动
3) phugoid motion
长周期运动，起伏运动
4) periodic motion
周期运动
1.
Bifurcation of periodic motion on frequency in nonlinear vibration mechanism with piece-wise linearity;
分段线性-非线性振动机械周期运动关于ω的分叉
2.
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。
3.
Bifurcation and chaos of periodic motions of a single-degree-of-freedom system with piecewise-linearity is studied.
研究了一类单自由度分段线性系统周期运动的分岔和混沌现象。
5) period motion
周期运动
1.
Then the Poincaré map of its period motion is established by utilizing the stability theory of system with periodic coefficients.
研究了一类周期系数力学系统因周期运动失稳而产生Hopf-Flip分岔的问题。
2.
To investigate the dynamic stability of a two-degree-of-freedom manipulator as a system,differential equations of motion for this system were established on the basis of the Lagrange equation,and perturbed differential equations with period coefficients were derived for the period motion of this system by applying the perturbance theory.
为了研究两自由度机械手系统的动力学稳定性,基于拉格朗日方程给出了它的运动微分方程,并用扰动理论确定系统周期运动具有周期系数的扰动微分方程;根据F loquet理论对该系统扰动微分方程的平衡点的稳定性进行了分析,并用数值方法研究了平衡点失稳后的倍周期分岔过程。
3.
The Poincar map of the period motion is established following the Floquet theory .
研究了一类周期系数力学系统因周期运动失稳而产生Hopf分岔及混沌问题。
6) periodic motions
周期运动
1.
Stationary motions of the system were determined and periodic motions near them are conustructed using the Liapounov theorem of the holomorphic integral.
确认系统运动是稳定的,并通过Liapunov全纯积分定理,构建其近似的周期运动。
2.
We obtain some theorem on stability, boundedness,existence of periodic motions and stationary oscillation by means of the method of Lyapunov function.
通过Ｌｙａｐｕｎｏｖ泛函方法，获得了一类多滞量动力系统的运动稳定性、有界性、周期运动存在性的几个定理。
3.
We obtain some theorems on stability, boundedness, existence of periodic motions and stationary oscillation by means of the method of Lyapunov functional.
本文通过李雅普诺夫泛函方法获得了一类带有时滞的动力系统的运动稳定性、有界性、周期运动存在性和平稳振荡存在性的几个定理，并给出了时滞范围的简明表达式。
补充资料：长周期
分子式：
CAS号：
性质：在聚合物单晶毡中，晶片间的周期性间隔(长度)称为长周期，它与晶片厚度密切相关。长周期可用X射线小角衍射测定，典型的情况长周期平均值约为10nm。类似的间隔在熔体结晶聚合物中亦可用电子衍射观测。结构的类似周期性在取向了的合成纤维中亦被发现，其散射单元间隔约在5～100nm。
CAS号：
性质：在聚合物单晶毡中，晶片间的周期性间隔(长度)称为长周期，它与晶片厚度密切相关。长周期可用X射线小角衍射测定，典型的情况长周期平均值约为10nm。类似的间隔在熔体结晶聚合物中亦可用电子衍射观测。结构的类似周期性在取向了的合成纤维中亦被发现，其散射单元间隔约在5～100nm。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条