Damping wakes possible finite steady-state vibration amplitude at resonance. 在共振时,阻尼可能限制稳定振动的振幅。
Between the inner ring and outer ring of damping pulley, there is a layer of special rubber, which can reduce the amplitude of resonance and relax the impact caused by change of load. 汽车上使用的减振皮带轮,其内外圈间填充特殊橡胶,通过它可以降低皮带轮运转过程中的谐振振幅,减缓变速时的冲击。
Study of Stable Amplitude Type Vacuum Meter with Silicon Micromachining Resonance Sensor 硅微机械谐振传感器稳幅式真空计的研究
When the frequency of the disturbance force is close to or equal to this value, the oscillation amplitude of MHD will increase infinitely, namely resonance. 当扰动力频率与该频率值接近或相等时,磁流体的振荡振幅就会无限大增大,这就是共振。
The maximal amplitude of resonance vibration was reduced by TMD. TMD可明显减小桥梁的共振振幅。
Amplitude Modulation Effect in Ferromagnetic Resonance 铁磁共振中的幅度调制效应
When ππ and π K interaction are both included, we point out that S wave amplitude of pion-pion scattering could have a resonance and the S-wave amplitude of processes ππ→ K could also have a resonance at same energy value. 指出在同时考虑ππ及πK相互作用时,在S波ππ散射可以有共振,而且同样在S波ππ→K产生过程在相同的能量上有共振。
The amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro-magnetic bearing. 通过提高磁轴承的等效阻尼可显著降低系统通过共振区域时的振幅。
Compared with the method of amplitude resonance, the equipment needed is simpler, and the measurement speed and the measurement precision is higher. 与传统的共振法相比,系统具有设备简单、测试速度快、精度高的特点。
One of major means to control the amplitude of the vibration noise of a detector was to control the amplitude of mechanical vibration, especially the amplitude of resonance. 控制探测器振动噪声的主要手段之一是控制其机械振动幅度,尤其是共振振幅。
A new technique to control the vibration amplitude of inertia vibrating machine passing through resonance region by the use of magnetic particle brake is proposed. The principle to reduce vibration, the determination method of exciting current as well as experimental datum are presented. 提出用磁粉制动器控制惯性振动机共振区振幅的方法,并介绍了磁粉制动器减振的原理、控制电流计算方法和实验数据。
The test results show that large amplitude resonance will occur, if the rotating speed of the propeller shaft is equal to the integer multiples of the first order critical rotating speed in the lateral vibration of propeller shafting. 试验结果的分析表明,只要转速的整数倍等于一阶一次横向振动临界转速时就会产生振幅较大的共振。
The vibration amplitude model with single resonance quasi-equal difference was given. 提出了单谐次准等差振幅模型。
The principle, structure, vibration frequency and amplitude of the resonance stirring reactor are discussed. 本文对自制共振搅拌反应器的原理、结构、振动频率和振幅进行了分析。
Numerical results showed that the effects of acceleration, deceleration, initial speed, elastically supported stiffness and random surface irregularities on the girder bridge were too large to be neglected, and that the maximal amplitude of resonance vibration was suppressed greatly by TMD. 数值计算结果表明,车辆的加速度、初速度、弹性支撑刚度以及随机路面粗糙度对桥梁的影响均很大而不能忽略;TMD明显地减小了共振振幅。
The filter can control the amplitude of mechanical resonance by adjusting proper parameter. 该滤波器可以通过适当的参数修改达到控制机械谐振点陷波幅值的效果。
Low noise fixture and phase average technique provide the amplitude and spurious resonance in frequency domain. 在频率域内,低噪声定位装置和相位平均技术可以提供振幅和假频谐振。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance. 节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
To achieve the same extraction time, the amplitude of the AC voltage in the resonance frequency can be less than that of the DC voltage with one order of magnitude. 若达到同样的引出时间,共振频率的交流电压的幅度可比直流电压值小一个量级。
Characteristics of amplitude decreasing and resonance band delaying in transient processes of Rotor Systems 转子系统瞬态过程的减幅特性及共振区迟滞特性
According to the reasons of amplitude decaying, this paper poses a project of frequency tracking and stabilize amplitude under resonance, by which to make it possible to ensure stable amplitude despite processing state changing, to ensure processing quality, and to increase productivity. 针对振幅衰减的原因,提出了先进行频率跟踪,然后在谐振状态下再提高振幅的方案,使振幅不因加工状态的变化而变化,从而保证加工质量,提高生产率。
The maximum amplitude, stability and amplitude jump of main resonance describe the primary characters of a drive shaft. 传动轴主共振的最大振幅、稳定性、振幅突变性是其主要特性。
The amplitude of Schumann resonance, connecting with the resonance cavity of the earth-ionosphere and global lightening activity, is just one of that kind of parameter. 同地球一电离层谐振腔以及全球范围的闪电活动相联系的舒曼共振的振幅就是这样一种物理量。
The stronger the damping of the inherent oscillation mode is, the smaller the amplitude of resonance is. 系统固有的振荡阻尼越强,谐振幅值越小。
The shapes, maximum amplitude, stability and amplitude jump of main resonance are analyzed. 分析了主共振的振型、最大振幅、稳定性和振幅突变性。
This paper presents one kind combination resonance in a van der Pol hysteretic nonlinear system exposed to multi-frequency excitations through the multi-scale method and obtains the amplitude of the combination resonance solution of the system. 利用多尺度法分析了vanderpol多频激励滞后非线性系统的一类组合共振,得到了该系统组合共振解的振幅。
A study on the amplitude calculation of displacement and velocity resonance in forced vibration system and its enery transformation 稳定受迫振动系统位移和速度共振的幅值计算与能量转换
When decreasing the eccentric distance and the order of main resonance, increasing damping in a drive shaft, the amplitude of bending resonance can be decreased, and the amplitude jump and bifurcation of main resonance are removed. 减小质量偏心,降低传动轴最大主共振的阶数,加大阻尼,能减小横向弯曲共振的振幅;可消除主共振的振幅突变,使传动轴横向弯曲主共振不分岔。
The results indicate that the blade leading edge appears maximum deformation and maximum vibration amplitude, so that resonance is most likely to occur. 分析结果表明:本文压缩机叶片前缘区域受力变形最大、振动时振幅最大,进而发生局部共振的可能性最大。