片语

additional damping ratio附加阻尼比

equivalent modal damping ratio等效模态阻尼比

magnetic damping ratio磁性衰减率

attenuation ratio[物] 衰减率；衰减比例

mode damping ratio模态阻尼比

damping g ratio阻尼比

damping coefficient[物] 阻尼系数，[物] 衰减系数

Hydraulic damping ratio液压阻尼比

variable damping ratio变阻尼

英汉例句

• the article also analyzed the damping characteristics after add the dynamic friction model and the obtained the equivalent damping ratio through system identification method.

  本文还分析了加入动态摩擦模型后系统的阻尼特性以及通过系统辨识方法得到系统的等效阻尼比。

• difference of damping ratio for different modes decreased with the prestress.

  预应力水平越高，各阶模态对应的阻尼比相差越小；

• the objective function for ga takes damping ratio as its variable .

  所得到的阻尼比作为大扰动下控制效果的评估指标。

• the damping ratio of the overall structure of tianxinzhou bridge is unknown, because the structure of the bridge is composed by reinforced concrete structure and steelwork structure.

  由于武汉天兴洲公铁两用斜拉桥为钢结构和钢筋混凝土结构的混合结构，该桥的整体结构阻尼比为一个未知数。

• this dissertation mainly studies the relations between shear wave velocity, dynamic shear modulus, damping ratio and other physical indicators of soils.

  本文主要研究土层剪切波速、土动剪切模量和阻尼比以及它们和土的其它物理指标的关系。

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

  通过量纲分析的方法给出了巖体结构振动的阻尼表达式，指出可以通过巖体的振动实验确定阻尼比，并进而给出特征时间。

• the subsequent experiments on a piezoelectric beam show that the structural modal damping ratio can be promoted significantly.

  压电悬臂梁的实验表明，它们能使结构模态阻尼比大幅提高。

• the equivalent damping ratio and stiffness coefficient of the led device are studied, and the general equivalent formula of energy dissipation devices is established.

  研究了将铅挤压阻尼装置等效成阻尼比和刚度系数的方法，建立了消能装置的通用等效计算公式；

• dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.

  动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。

• the damping ratio can change the control system structure , and the low-speed characteristics can be improved with an appropriate flow-pressure coefficient, and the experiments proved the conclusion.

  指出了系统阻尼比的变化会导致控制系统结构发生改变，系统的低速特性在合适的液压流量压力系数下会得到显着改善，实验结果证实了这一结论。

• the design curves of equivalent damping ratio to the brace stiffness, and ratio of maximum damping force of the damping device to the inter-story yield shear force of the structure are proposed.

  本文就消能减震结构设计参数，即消能部件的支撑刚度、层间最大阻尼力与结构层间屈服力比值等恢复力模型参数的选取进行了讨论。

• formulas of shear modulus and damping ratio were established.

  根据试验结果，建立了剪切模量和阻尼比的经验公式。

• dds-70 electromagnet kinetic equipment was used to study the dynamic strength, stress-strain relationship, dynamic modulus and damping ratio of three tailing sand types.

  使用dds-70微机控制电磁式振动三轴仪，对三种尾矿砂试样进行了动强度、动本构关系、动弹模阻尼比三方面动力特性研究。

• the effects of thickness, shear modulus and material damping ratio of the horizontally inhomogeneous soil are studied.

  分析了水平方向不均匀土的厚度、剪切弹性模量以及材料阻尼比的影响。

• the damping ratio is an important characteristic parameter in a second-order system, which has great effect on the dynamic characteristic of the second order system.

  阻尼比是二阶系统的一个重要的特征参数，它对二阶系统动态特性有较大的影响。

• in this paper, the method of determining damping ratio by comparing mem spectrum is discussed and the shortcoming of this method is pointed out.

  本文指出了利用mem谱值比较求多自由度结构模态阻尼比方法的一些不足。

• the maximum dynamic modulus of composite sample is much higher than that of pure clay but the damping ratio is lower.

  经过置换后，复合试样的最大动模量比纯黏土的最大动模量提高，而阻尼比减小；

• the results show that modal damping ratio of cable system with mr damper is more increased, it has well effect of mitigating vibration.

  试验结果显示系统的模态阻尼比在安装磁流变阻尼器后有大幅增长，具有良好的减振效果。

• on the other hand, close loop model fuzzy control is studied for a classical thrust vector electrohydraulic servo control system with low damping ratio and improves dynamic performance of the system.

  此外，本文根据电液位置伺服系统阻尼比低的特点，采用闭环模型模糊控制，改善了系统的动态性能。

• the negative-velocity feedback strategy and the optimization criterion of equivalent damping ratio are adopted.

  采用负速度反馈控制策略及等效阻尼比优化準则。

• the maximum displacement ductility is about 5. the damping ratio of the joints can reach about 0.2.

  节点的位移延性系数达到5左右，其等效阻尼比达0.2左右；

• having measured the simple beam natural frequency through the pulse hammer experiment, draw the mode of vibration, and obtain the damping ratio by the sine frequency sweep experiment.

  同时，由脉沖锤击实验来测定被测对象的固有频率，进一步得到其振型；又由正弦信号实验计算得到阻尼比。

• the conclusion is that the damping ratio will increase, and the nature frequency will decrease along with the number of knots mounting up.

  结论是：随着节子个数的增加，木材振动模态的阻尼比增大，而其固有频率减小。