low damping

The results show that piezoelectric thrust testing system has advantages of high stiffness and natural frequency, it can meet the requirements of thrust test, but the damping ration is low and the overshoot is big.

结果表明，压电式推力测试系统具有高刚度、高固有频率的特性，满足推力测试要求，但是阻尼比低，有一定超调误差。

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The Low Cost Wide-Sleeper Ballast Bed Track with Damping Rubber Bits

廉价减振型宽枕碎橡胶道床轨道

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Large-scale power systems in infirm interconnections which inhere weak natural damping sometimes bring a low frequency self-oscillation phenomenon.

大型弱联系的电力系统本身固有的薄弱的自然阻尼使得电力系统之间有时会产生自发的低频振荡现象。

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The practical method of realizing ultra low frequency ( ULF) vibration sensor by using magneto-electric velometer, which can make the lowest measurable frequency less than 0.5 Hz and keep the optimum damping remaining via cascade connection correcting circuit.

本文提出了利用磁电式速度计实现超低频振动传感器的实用方法&通过串联式校正电路，在保持最佳阻尼的同时，使可测最低频率降至0.5Hz以下。

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The ship roll damping ability at low, speed is analyzed.

最后依据试验数据分析了船舶在低航速下的减摇能力.

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Power System Stabilizers ( PSS ) are effective in damping the low frequency oscillation.

电力系统稳定器 ( PSS ) 的应用,在抑制低频振荡方面取得了明显的效果.

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Large fluid viscosity or low permeability ( High couple damping coefficient) make the shift to high frequencies of the main dispersion frequency range, and the attenuation coefficient knee points for the different frequency dependence, which represents the relaxation frequency movement to high frequencies.

高粘性流体和低骨架渗透率（高的固流耦合衰减系数）使得主要频散发生的频率范围，和衰减系数出现不同频率响应特征的鞍点向高频移动，这反映松弛频率向高频段移动。

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In addition ADI has advantages of lower density , low cost low energy consumption, batter damping capacity.

此外ADI还 具有重量轻, 成本低,能源消耗低, 减震性好等特点.

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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。

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The large amplitude cable vibration often is induced low damping and small stiffness of stay cable.

拉索是斜拉桥的关键构件,承受桥梁的全部荷载,在风(雨)等作用下容易产生大幅振动.

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Through the analyses of mathematics and mechanics this paper obtained a relationship between the uniformity coefficient AC of critical movement and the damping ratio ξ of motion system while the rotating parts revolve at low speed.

本文通过数学力学分析，得出了转动部件低速转动时临界运动均匀性系数AC与运动系统阻尼比ξ的关系。

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This paper proposes a novel two-stage control scheme of UPFC for damping tie-line low frequency oscillation.

提出了一种新颖的阻尼 联络线 低频振荡的UPFC两阶段控制方案.

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