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under damping     
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  欠阻尼
     The experimental results show that in the control process of manikin surface skin temperature,when ξ is 0.804,it illustrates that this control system is an underdamping second-order system. The surge process is attenuation. When the nature surge frequency ω_n equals to(0.004 6),the stability of this control process is very good.
     实验结果表明:假人皮肤表面温度控制过程的阻尼比ξ为0.804,说明皮肤表面温度控制系统为欠阻尼二阶系统,振荡过程为衰减振荡,且自然振荡频率ωn为0.004 6,温度控制过程平稳性较好;
短句来源
     In the control process of manikin surface wetness,when ξ is 0.643,it illustrates that this control system is also an underdamping second-order system. The surge process is attenuation,too. When the nature surge frequency ω_n equals to(0.002 8),the stability of this control process is also very good.
     假人出汗控制过程的阻尼比ξ为0.643,说明出汗控制系统也为欠阻尼二阶系统,振荡过程为衰减振荡,自然振荡频率ωn为0.002 8,出汗控制过程平稳性也很好。
短句来源
     Proportional reducing valve system has nonlinear character similar to loop delay, from the time domain step response analysis, the system can be simplified to second order oscillator model, and system changes from underdamping, critical damping to overdamping system with the proportional direction valve's flow changes from high to low.
     比例减压阀系统具有类似环滞的非线性特征,以时域阶跃响应分析,可以将比例减压阀系统简化为二阶振荡环节,随比例方向阀开口由大到小,系统从欠阻尼、临界阻尼到过阻尼转变。
短句来源
     And concludes that the gasoline generator with a digital electronic governor are a first order inertia and a two steps under damping linking after analyses the automatic control process of the gasoline engine.
     通过对汽油机自动调节过程的分析,得出装有数字电子调速器的汽油发电机组是一个一阶惯性环节与一个二阶欠阻尼环节的串联;
短句来源
     The effect of detuning on some optimized TMD parameters on the performance is studied, indicating that the response of deck motion with detuning of stiffness is more sensitive than that of damping, near the point of optimized damping the detuning of underdamping is more sensitive than that of overdamping.
     并研究了TMD参数在优化域内的失调对响应的影响,TMD刚度失调比阻尼失调要敏感,欠阻尼失调比过阻尼失调要敏感。
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  阻尼作用下
     SOLITONS IN ONE-DIMENSIONAL NONLINEAR MONOATOMIC CHAIN UNDER DAMPING
     阻尼作用下一维非线性单原子链中的孤子
短句来源
     By virtue of the method of multiple scales, we have investigated the behavior of waves in a one-dimensional nonlinear monoatomic chain under damping and found that the amplitude of the lattice waves decreases and the group velocity becomes slow under the action of damping of an order of O(ε).
     利用多重尺度法 ,研究了弱阻尼作用下一维非线性单原子链中的波动行为 ,发现在O(ε)级阻尼作用下其格波幅度减小 ,群速变慢 .
短句来源
  “under damping”译为未确定词的双语例句
     AN ANALYSIS OF RESPONSE SPECTRUM UNDER DAMPING RATIOS
     不同阻尼情况下的反应谱分析
短句来源
     Equipment for Soft Magnetic Properties Measurement Utilizing Analytical Method under Damping Oscillatory State
     衰减振荡瞬态分析法软磁磁性测量装置
短句来源
     On Underdamping Oscillogram and Its Technique of Drawing
     关于欠阻尼振荡波形图及画法探讨
短句来源
     The result indicated that the soft mode E(1TO) soft mode for all samples was limited above 50cm -1 which showed typical underdamping characteristic. Doped effect lead to ion vavancy and change of microcompoisition, which make To diffused in a wider temperature scope.
     结果表明 E(1 TO)软模解冻时能够观测到的最低频率均在 50cm-1以上,呈现出典型的弱阻尼特征,掺杂效应导致的空位和微 区成分的涨落使相变温度弥散。
短句来源
     A dynamical model of vertical vibration system with six degree freedoms of the 4200 steel plate rolling mill under damping condition is established. The dynamic analysis and simulation was performed with Matlab, and the responses of vibration system under seven working situations of rolling power with time are discussed. The influencing factors of self-excited vertical vibration of plate rolling mills are obtained.
     建立了6自由度的4200轧机垂直振动系统的动力学模型,并用Matlab对其进行了动态分析和仿真,分析了轧制力随时间变化的7种工况下的系统响应,得出了影响轧机垂直方向自激振动的因素,从而为轧制过程中避免产生垂直方向自激振动提供了可靠的理论依据。
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  under damping
Finally, we want to make sure that there isn't any insane under damping of the controller.
      


This paper studies and invcstigales the synthcsis of under damping vibration with the same ftequency at two mutual vertital directiuns and the synthesis of under damping vibration with similar ftequency at two directions by using Model JGYW-2 double single vibration apparatus. Through experimentalobscrvation and theory annalysis,some figurcs and exprcssions about the synthesis of under damping vibration are obtained,thus revealing Physical significance of isometric spiral.

本文利用JGYW-2型双单摆振动示波装置研究和探讨了两个相互垂直方向同频率欠阻尼振动的合成和两个同方向频率相近的欠阻尼振动的合成.通过实验观察和理论分析,得到了欠阻尼振动合成的部分图形和表达式,揭示了等角螺线的物理意义.

This essay gives a unitary physical explanation of the over-damping, under-damping and critical damping τ value of the RLC cir cuit.

对RLC暂态过程中欠阻尼、临界阻尼和过阻尼的τ值给出了统一的物理解释.

This paper presents an driprovement algorithm of self adapted MAC for conbolled system with under - damping characteristics. By using a compact model to describe unit pulse response time - sequence of the controlled process, the number N of leading terms of such a sequence,togather with the on - line internal model identthcation and MAC computahon can be greaily reduced while the prachcality of self- adapting MAC being improved.

针对具有欠阻尼特性的被控对象,提出了自适应MAC的改进算法。改进算法采用一种紧凑模型描述对象单位脉冲响应序列,可使截取为内模的对象单位脉冲响应有限序列长度大大减小。因此,内模在线辨识及MAC的在线计算量显著减小,大大提高了自适应MAC的实时性。

 
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