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periodical movement
相关语句
  周期运动
     When eccentricity U of the rotor increases, the chaos response is finally fixed to a stable periodical movement.
     盘的偏心距U的增大 ,会抑制混沌 ,使混沌运动锁定到周期运动
短句来源
     Utilizing the method of linear feedback anti-control, the anti-control of chaos of autonomous and non-autonomous systems was realized. Using a suitable controlling strength let the periodical movement of autonomous and anti-autonomous chaoses be anti-controlled to the moving track of chaos.
     利用线性反馈反控制方法实现了自治系统及非自治系统混沌的反控制,将自治系统及非自治系统的周期运动利用适当的控制强度反控制到混沌运动轨道。
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  相似匹配句对
     Movement
     虚实修身运动
短句来源
     Sleep and Movement
     睡眠与运动
短句来源
     On Periodical Administration
     更新期刊管理观念 强化期刊信息管理
短句来源
     A NEW PERIODICAL
     新刊信息
短句来源
     When eccentricity U of the rotor increases, the chaos response is finally fixed to a stable periodical movement.
     盘的偏心距U的增大 ,会抑制混沌 ,使混沌运动锁定到周期运动
短句来源
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  periodical movement
After memorizing a simple periodical movement in the ankle joint, 36 healthy subjects (right-handers) reproduced it from memory.
      
They have developed and tested algorithms for LCE periodical movement, which brings LCE unlimited motion stability.
      


This paper puts forward a new method of high-speed photographywith periodical movement.Namely,at first,an appropriate slow motion of stroboscopicimages were selected by stroboscope,thereby the optimal frame frequency of camerawas determined by means of simulant variation prior to photography. At last,an application of high-speed photography in valve-gear mechanism ofinternal combustion engine was presented.

本文为周期运动的高速摄影提出了一种新方法:即在摄影前,先用频闪观测仪选出频闪象适宜的慢动作,而后通过模拟变换确定出摄影机的最佳摄影频率。并介绍了该法在内燃机配气机构运动中的应用。

Taking account swings vibration, nonlinear dynamic response of a cracked rotor is studied in the paper. The results show that when crack is small, the frequency of transverse vibration is same as the frequency of rotor's rotation ( Ω ), and the frequency of swing vibration is N Ω (N=1,2…). As the crack increases, there comes chaos in some ranges of Ω . Deeper the crack is, wider the chaos range of Ω is, and the chaos begins with intermittence. When crack is quite deep, there come some new resonance...

Taking account swings vibration, nonlinear dynamic response of a cracked rotor is studied in the paper. The results show that when crack is small, the frequency of transverse vibration is same as the frequency of rotor's rotation ( Ω ), and the frequency of swing vibration is N Ω (N=1,2…). As the crack increases, there comes chaos in some ranges of Ω . Deeper the crack is, wider the chaos range of Ω is, and the chaos begins with intermittence. When crack is quite deep, there come some new resonance regions. In these regions, vibration becomes infinity quickly. When the swing vibration increases to certain amplitude, the stable transverse vibration will be broken, and the intermittence chaos starts. Another way to chaos is through the quasi periodic. The unbalance is effective in depressing chaos. When eccentricity U of the rotor increases, the chaos response is finally fixed to a stable periodical movement.

在考虑含裂纹转子盘的摆振运动的情况 ,建立了盘的运动方程并进行数值求解。在裂纹很小时 ,横向振动是与转速相同的同频振动 ,而盘的摆振包含多种倍频成分。当裂纹较大时 ,横向振动会出现阵发性混沌。当摆振的幅值随时间不断增大到一定极限时 ,横向振动的稳定的周期或拟周期运动被打破 ,出现阵发性混沌。同时还出现通过拟周期进入混沌的现象。当裂纹很深时 ,会出现多个新的共振区 ,在此区域振幅迅速发散。盘的偏心距U的增大 ,会抑制混沌 ,使混沌运动锁定到周期运动

Differential equations of net overseas assets are presented as a result of the study of net overseas assets and the current account balance in terms of the theory about differential equations. It's concluded that the net overseas assets is likely to make periodical movements or move towards infinitude or chaos in response to changes in national economy.

利用二阶微分方程动力系统理论研究了国际收支中的国外净资产问题,将文[1]中讨论的模型推广到更一般的情形,由此得到:随着国内经济的变化国外净资产也可能会产生周期性变动、趋向于无穷甚至产生混沌现象。

 
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