• 得到阻尼时间塌缩时间解析公式

    The analytic formulae of the damping and collapse time can be obtained.

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  • 变更阻尼时间常数

    Change the capsule damping time constant.

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  • 方法能够快速准确地测量指针仪表阻尼时间

    The new method can measure damping period of dial instrument rapidly and accurately.

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  • 放大器部件阻尼时间常数在0。2 ~ 64秒范围可调。

    Amp damping time constant is adjustable from0.2to64seconds.

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  • 导出解析形式稳定性判据章动阻尼时间常数,可用估计卫星稳定

    The stability criteria and the decay time constant of the nutation damping are obtained in an analytical form, by which the degree of the attitude stability can bd evaluated.

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  • 试验表明主动阻尼控制方案范围对转子进行阻尼大大减少阻尼时间

    Experiments are done on the air-bearing device for hollow ESG rotor, which prove that the active damping control system can successfully damp the rotor in a wide range and reduce much damping time.

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  • 分析常用仪表阻尼时间测量方法弊端研究了一种基于图像识别自动阻尼时间测量方法。

    The paper analyzes the disadvantage of general damping period measurement method of dial instrument, researches a automatic damping period measure method, which is based on image recognition.

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  • 通过仿真分析,比较2套阻尼系统误差结果可以看出双惯导水平阻尼能够显著降低速度误差影响减少阻尼时间抑制经度误差。

    In this paper, the simulation results show that the level damp of DINS can reduce the influence of the external velocity error, decrease damping time, and restrain the error of longitude effectively.

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  • 有时防震器闲置抵抗力来得更好,并且建筑物共振可以随着时间的推移而改变使无源阻尼效果

    Sometimes shock absorbers resist waves that it would be better to relax with, and the resonance of a building can change over time, making passive dampers less effective.

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  • 如果时间增加了那么那么需要采集时域数据施加大阻尼了。

    If the total time is increased, then there is less need for a significant amount of damping window to be applied to the collected time data.

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  • 交流电路中常采用空气阻尼时间继电器利用空气通过小孔节流原理获得延时动作

    Often in ac circuit by air damping model time relay, it is to use the principle of air through orifices throttling to obtain delay action.

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  • 早期交流电路中常采用空气阻尼时间继电器利用空气通过小孔节流原理获得延时动作

    Early in the circuit often USES air damping model time relay, it is to use the principle of air through orifices throttling to obtain delay action.

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  • 阻尼性能强:金属钛受到机械振动振动后,与铜金属相比其自身振动衰减时间最长

    Strong antidumping property: When titanium is affected by mechanical vibration or electric oscillation, its vibration damping time lasts the longest time, compared to that of steel and copper.

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  • 按照阻尼模型的延迟时间选择不同闭环极点并且计算提供了简单公式

    Different closed loop poles are selected according to the damping ratio and dead time, and simple formulas are provided for the calculation.

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  • 结果表明反应时间较大时,反应速度是以指数衰减阻尼振动方式趋向稳态

    The result indicates that the enzyme reaction velocity tends towards steady state with the form of index attenuation or small damped vibration when reaction time is longer.

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  • 运用当地时间步长隐式残值光顺、阻尼等措施加速计算收敛。

    Local time step, implicit residue averaging, enthalpy damping are used to accelerate the convergence.

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  • 本文根据原型振动实测位移记录,应用时间识别求得了结构的前态的固有频率阻尼比。

    Some modal natural frequencies and damping coefficients of a structure are derived by means of in-sita testing displacement records and the time domain identification technique.

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  • 采用当地时间步长压强阻尼隐式残值平均方法加速收敛

    The technique of local time stepping, pressure damping and implicit residual smoothing are used to increase the convergence rate.

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  • 同时分析驰豫时间、桩侧等效粘滞阻尼系数底土的单位刚度等因素应力影响

    The study also goes to the influence, upon stress waves, of the piles relaxation time, the equivalent viscous damping coefficient of soil around the pile and the unit rigidity of soil below the pile.

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  • 针对阻尼间隔距离时间迟滞,计算不同固有频率下碰撞峰值,绘制出碰撞力响应

    The pounding force spectra after given damping ratio, interval, and time delay, were plotted according to the natural frequencies.

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  • 文中画出了荷载阻尼介质运动时间中心点残余挠度影响曲线

    The influence curve which shows the effect of the load and the damping medium on movement time and residual deflection of central point for circular plates was traced in this paper.

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  • 通过求解动力学方程给出空气阻尼效应对于光开关响应时间影响

    According to solving the dynamic equation, the effect of the air squeeze film damping on the switching time is given.

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  • 计算边界布置阻尼保证了在一个有限时间空间得到稳定计算结果

    A damping layer was arranged at the boundaries of the computational domain to ensure that steady calculation results can be obtained within a finite time and space domain.

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  • 公式中,端土阻力可以直接加速度信号中获得的桩顶回弹冲击力持续时间计算得到,并且计算结果和土阻尼无关。

    In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top.

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  • 规则中的船模试验结果研究了激横运动稳定性时间经历响应讨论了横摇阻尼、初稳心高度和波浪等因素对参激横摇运动的影响

    According to the results of model tests in a regular beam wave, the motion stability, the time history of the motion and the amplitude-frequency response of the parametric roll are investigated.

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  • 阻尼使非线性包装系统位移峰值加速度峰值明显降低脉冲持续时间几乎无影响

    The damping can obviously decrease the peaks of displacement and acceleration of nonlinearcushioning system, but has on effect on the pulse duration.

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  • 磁流体减振器作为一种阻尼可调减振器,具有反应时间迅速,能适用振动系统实时控制等特点。

    As a damping force controllable absorber, magneto-rheological (MR) absorber is rapid-response and suitable for vibration control system.

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  • 结果表明不考虑激光线宽消相碰撞时,探测场的吸收时间在零吸收附近作类似于阻尼减幅振荡,系统实现反转放大

    It is shown that the time-dependent probe absorption is oscillatorily damped to its steady state and transient amplification without inversion can be realized;

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  • 通过量纲分析方法给出岩体结构振动阻尼表达式,指出可以通过岩体的振动实验确定阻尼比,进而给出特征时间

    The damping expression of structural vibration for rock mass is given by dimensional analysis, and the damping ratio can be obtained through vibration test.

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  • 本文根据脉冲响应时间序列峰值及其对应的时间序列计算频率阻尼、幅值和相位。

    The time domain peak value method is presented and identification of parameters from the time series with single frequency is carried out.

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