悬架系统的主要作用是缓和车辆在行驶中所受路面的冲击,衰减振动,保证车辆行驶的平顺性和操纵稳定性。
Suspension system is mainly used to relax road surface impact, attenuate vibration, ensure vehicle ride comfort and stability control capacities during running.
针对自由衰减振动信号的连续谱,提出了一种估计特征参数的方法。
A new method of estimating characteristic parameters for continuous spectrum of response signal of damped free vibration is presented in this paper.
结果表明,主动悬挂方式能有效衰减振动,尤其是共振点处的振动。
The result shows that the active suspension mode can damp the vibration effectively, especially the vibration at the resonance point.
从而得到了打桩引起的地面振动的衰减特性。
The attenuation characteristics of ground vibration caused by pile driving were proposed.
得到竖向和水平向振动位移衰减公式。
The attenuation formulas both of vertical and horizontal vibrating displacements are obtained.
结果表明,当反应时间较大时,反应速度是以指数衰减或小阻尼振动的方式趋向稳态。
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.
本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
分析认为,氧化锌晶须渗入在复材中将形成微观的阻尼结构,起到降低固有振动频率和增大衰减率的作用。
By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
本方法亦可用于分析爆破振动信号在传播过程中能量随时间的衰减规律,对综合研究爆破机理和爆破地震波有指导意义。
The method can be also applied to analyze the attenuation laws of energy for blasting vibration signals during the propagation, blasting mechanism and blasting seismic effects in its entirety.
本文通过大量实测实验研究了火车、汽车在运行过程中引起的地面振动特性和衰减。
This article introduces the characteristics and attenuation of ground vibration caused by moving trains and motor vehicles obtained from a great number of tests, research and field work.
对某水电站地下洞室爆破振动进行观测、分析和处理,得到了爆破地震波传播衰减经验公式。
The blasting vibration of an underground chamber is observed, analyzed and interpreted. The experience formula of decay for the blasting earthquake wave is obtained.
隔振沟对振动加速度的衰减作用随载荷强度的增加而增强。
The attenuation function of the isolation trench to the shock vibration is more effective with increase in the intensity of the blast loading.
计算结果表明,在粘弹性阻尼作用下,衰减系数随振型阶数而增大,振动频率随之不断减小;
The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
对龙滩水电站蠕变体边坡的爆破振动进行观测、分析和处理,得到了爆破地震波衰减经验公式。
The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.
轴系扭振的模态对数衰减率正比于每个振动周期耗散的能量与峰值应能的比值。
This logarithmic decay ratio of the shaft set is in direct proportion to the ratio of the energy dissipated per cycle to the peak strain energy.
当扭振振幅或扭振应力超过限值时,设计橡胶扭振减振器将振幅衰减到容许范围内,消减曲轴系统的扭转振动。
When the torsional vibration amplitude and stress exceed the limit, the rubber torsional vibration damper should be designed to reduce the amplitude within the permitted range.
借助于电离流时间衰减曲线,测量得出了上述三条谱线对应的振动能级的动力学参数。
With the measurement of ion current decay curves of the three features, dynamic parameters of them were obtained.
数值结果验证了该主动控制策略能够有效衰减风荷振动,从而提高了馈源轨迹跟踪精度。
Numerical simulation results show that this active control strategy can effectively attenuate the wind-induced vibration and improve the tracking accuracy of the feed source.
结果表明,具有主动控制悬架的汽车,其纵向角振动得到明显的衰减。
The simulation results indicated that the severity of pitching vibration of vehicle with an active suspension can be obviously reduced.
振动经过充分衰减后,转子系统轴心轨迹是比较稳定的圆。
The axial locus of the rotor systems is a steady circle after full decay.
该光纤耦合模块连续工作500小时没有发现明显的功率衰减,并且输出功率经温度循环和振动冲击后具有较好的稳定性。
The output power is very stable after the temperature cycling and vibration test. No apparent power decrease has been observed as the device working continuously for 500 h.
应用振动波传播理论引出加速度衰减系数的概念,并对加速度衰减系数的试验结果进行了分析。
Using theory of vibration wave propagation, the concept of the attenuation coefficient of vibrating acceleration is drawn, and the test results of attenuation coefficient are analyzed.
抗阻尼性能强:金属钛受到机械振动、电振动后,与钢、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.
结果表明发动机振动衰减明显,该振动主动控制系统的设计是可行的。
The results show that there is obvious vibration reduction for the engine, and the design of active vibration control system is feasible.
提出了一种既能减小管路振动又能衰减流体压力脉动的管路消振器结构。
In this paper, a new pipe attenuator that can reduce both the pipe vibration and the pulsating fluid pressure is designed and developed.
微地震过程中,先产生频率较高的振动,由于岩体阻尼而非面波频散引起振动频率衰减。
High frequency vibrations did occur early in the microseism, and then the frequency was attenuated because of the damping of rock but not by the frequency dispersion of surface waves.
通过人工激振拉索后,测得拉索的振动波腹点位移衰减时程曲线,计算得拉索的对数衰减率值。
The logarithmic decrement of the cable is then calculated from the free decay curve of the displacement data.
最后给出数值结果,表明磁场的变化对振动频率及衰减系数的影响。
By using a numerical method, the effect of changing in magnetic field upon vibration frequency and coefficient of reduction is presented.
最后给出数值结果,表明磁场的变化对振动频率及衰减系数的影响。
By using a numerical method, the effect of changing in magnetic field upon vibration frequency and coefficient of reduction is presented.
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