查询词典 damping constant

In model 1, the estimated stiffness constant and damping coefficient were larger in stroke patients with spasticity.

结果显示，在模型一，估计所得的刚性系数和组尼系数在中风患者皆升高。

Characteristics of free vibration and forced vibration of a damped system with dry frictional damping,viscous damping and c x·2 damping are analyzed and calculated,acceleration response of free-vibration of the dry frictional damped system has a sudden change when x· is zero,the change value is constant and depends only on the natural frequency ωn and the displacement xk due to dry friction.

本文对存在干摩擦阻尼、粘性阻尼和c.x2阻尼系统的自由振动及受迫振动特性进行了解析及数值计算，得到干摩擦阻尼系统自由振动的加速度响应在速度零点有一突变，这一变化量为定值，且只与系统固有频率ωn及摩擦当量位移xk有关。

Dynamic characteristic testing is applied to evaluate the damping system performance by comparing damping force, damping ratio and damping time constant on various designs.

接著对所完成的转轴涡电流减振系统进行动态特性的测试，以减振力、阻泥比和减振时间常数来评比减振系统之性能表现。

Optimization of thickness distribution of unconstrained damping material was studied under constant damping material volume.

该方法用一组模态振型线性组合来定义阻尼层厚度分布函数，将模态参与因子作为设计变量来优化阻尼层厚度分布。

The results show that the damping capacity of Zn-22%Al remains constant for ageing temperature below 80℃, the warm rolling temperature. Traces of Ce and La can improve the damping capacity of water quenched and warm rolled Zn-22%Al, and decrease the reduction of the damping capacity of Zn-22%Al during ageing at 150℃.

结果表明，经水淬后80℃温轧的Zn-22%Al合金在低于温轧温度下时效时，其阻尼性能保持稳定；微量Ce，La的加入，提高了经水淬后80℃温轧的Zn-22%Al合金的阻尼性能，减缓了经150℃时效后阻尼性能的降低。

So, the proportion coefficient in the damping region is changed from constant to variable. Setting the damping region as the same thickness, the transition region is located in the damping region. In the transition region, the proportion coefficient increases and reaches a constant in the end.

为此，对Sarma吸收边界条件进行了改进，将衰减层内所采用的恒定比例系数改为变比例系数，即在衰减层厚度相等的条件下，在衰减层内设置一个过渡带，在过渡带比例系数由小变大，在衰减层内比例系数取恒定值。

When AVR is added to other signals, such as speed, angle, active power, et al., power systems have equal damping is a constant that does not change on any conditions of general damping.

在AVR的基础上附加转速、功角、功率，乃至于附加远方机组任意信号的复杂多变量励磁控制方式下，电力系统总阻尼保持守恒，其数值与单纯AVR控制时相等。

The analysis results indicate that the vibration fractional factor with rotating frequency has a close relationship with both rotating speed of rotor and damping of bearing under constant acceleration. When rotating acceleration is small and damping is large, the transient response is not sensitive to the variation of rotating speed; otherwise the imbalance response with constant acceleration and the response in stable state will build up obvious differences near critical rotating speed.

研究结果表明：在恒加速条件下，转子同频振动分量与转子的转速、支承阻尼等因素密切相关，当角加速度较小且阻尼较大时，其瞬态响应对转速的波动不敏感；而当角加速度较大或阻尼较小时，恒加速过程不平衡响应与稳态响应在临界转速附近将产生明显的差异。

Then, we design a disturbance observer and adaptive control in the acceleration feedback loop to compensate the influence of disturbance and estimate the variation of inertia and viscous damping constant respectively.

并且希望内回路干扰影响与J、B变动影响尽可能降低，故在加速度内回路设计干扰估测器与适应性控制，使得外部位置回路不受干扰与J、B变动影响，提高系统之精度。

The model not only provides a fast means of modeling transients in gain-clamped EDFA′s, but also shows clearly how the laser relaxation oscillation frequency, damping constant, and oscillation amplitude are affected by design parameters through explicit analytical expressions. Modeling shows quantitative agreement with experiments when the spectral-hole burning effect plays minor role on EDFA transients.

首次发现全光链路控制EDFA瞬态的WDM系统中，通过环形腔激光反馈产生的补偿信号，在系统要求的典型功率范围内就可能发生受激布里渊散射，并因此损伤系统性能。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。