在DVD聚焦伺服系统中，光盘翘曲会导致产生与光盘转动频率相同的周期性扰动。
In DVD focus servo system, the skew of the disc induces periodic disturbance whose frequency is the same with the rotation frequency of the disc.
当转动频率超过FST引脚状态指定的强制换向频率后，运行模式切换到无传感器运行模式。
When the rotational frequency exceeds the forced commutation frequency specified with the status of the FST pins, the operation mode is switched to the sensorless mode.
这两个特征扰动的扰动频率与压气机转速成正比，与转子转动频率的相对频率分别等于5和8；
The frequencies of these disturbances are approximately in proportion to rotor speed and the relative frequencies are 5 and 8 respectively in terms of rotor rotating frequency.
同时利用CCD相机和四像限探测器(QD)测量了粒子光致旋转的转动频率，研究了粒子的旋转频率随激光功率的变化关系。
At the same time optical rotation of the particles was realized. The rotation frequency was measured by CCD camera and quadrant photodiode detector (QD).
如果压缩机(12)或真空泵(10)非常强烈地振动，那么因此能够简单地修改驱动马达(14)的转动频率以防止共振效应。
If the compressor (12) or the vacuum pump (10) vibrate too strongly, the rotative frequency of the drive motor (14) can thus be simply modified to prevent resonance effects.
角频率是，点p的转动惯量。
And angular frequency is the square root inertia about point p.
合理确定齿轮泵的工作转速，使齿轮与轴的转动避开啮合共振频率，可以防止噪声加剧。
Rationally define the work gear pump speed, gear and the axis of rotation to avoid engaging resonance frequency, can prevent noise intensified.
另外，旋转机械由多个转动部件组成，不同转轴对应的阶比在频率上会有交叉。
In addition, rotating machinery is composed of many rotating parts. Orders of different shafts cross each other in frequency.
考虑梁的转动惯量和剪切变形时，智能阶梯梁的频率比没有考虑时的要低。
The natural frequencies of the intelligent beam with the rotary inertia and shear deformation of the beam are lower than that without those.
通过算例，计算了在不同长细比条件下，剪切变形和转动惯量对固端梁的各阶主频率的影响。
From numerical example, the effect of shear deformation and rotatory inertia on the natural frequencies of the Timoshenko clamped beam is discussed under different slender conditions.
这样，由于转动 体171的通过振动不会被共振频率放大，因此可以抑制噪声等级的增 大。
Thus the utility model can inhibit the increasing of the noise grade as the vibration of the rotator 171 is not amplified by the resonance frequency.
其次，在双质量飞轮设计模型的基础上，分析了双质量飞轮转动惯量系数、扭转刚度、变速器与系统扭振频率的关系。
Secondly, the relationship between rotary inertia coefficient, torsional stiffness, transmission gearbox and torsional vibration frequency is analyzed on the basis of the design model.
计算了对称截面粱在不同边界条件下的高阶固有频率，讨论了转动惯量及剪切变形效应对各阶固有频率的影响。
The high natural frequencies of symmetrical section beam with different constraints are calculated in detail, and effects of rotary inertia and shearing deformation are given.
频率设置简单，操作方便，只需轻轻转动外接电位器的旋钮，就可以进行频率设置。
Set the frequency of simple, easy to operate, only an external potentiometer gently rotating the knob, you can set the frequency.
当考虑梁的剪切变形和转动惯量时，则对梁的高阶频率影响较大。
The result also denotes the shearing deformation and rotary inertia of the beam have significant effect on the high frequency.
结果表明：与增大泄漏系数、阻尼系数相比，减小转动惯量可以明显的提高流量计的频率响应。
To study the influence of rotary inertia on gear flowmeter natural frequency, keep damping and leakage coefficient as constant.
由于曲轴系统装有转动惯量很大的部件，所以曲轴扭转振动的自振频率比较低，往往会在工作转速范围内产生共振。
The crankshaft system installed with component which has enormous moment of inertia that leads to lower frequence of forced torsional vibration for crankshaft.
考虑轴向力和截面转动惯性效应的影响，导出弯曲振动的固有频率。
The influence of the axial force and the inertial effect of the cross section on the natural frequency of flexural vibration is considered.
本文研究剪切变形与转动惯量对梁自由振动的影响，提出了简便、准确的频率计算公式。
In this paper, the effect of shear deformation and rotatory inertia on the free vibration of a beam is studied. Thus a simple and accurate formula for the calculation of frequency is presented.
考虑梁的剪切变形和转动惯量时，对梁的高阶频率影响较大。
The result also denotes rotary inertia and the shear formation of the beam have significant effect on the high frequencies.
例如，高度活跃的眼球快速转动时的睡眠可能会引发机器人高频率运动，看起来就像要飞起来似的。
For example, high-activity REM10 sleep could trigger the robot to move as though it was flying.
例如，高度活跃的眼球快速转动时的睡眠可能会引发机器人高频率运动，看起来就像要飞起来似的。
For example, high-activity REM10 sleep could trigger the robot to move as though it was flying.
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