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- Each of the componential signals is decided by the rotating frequency. 该复合信号包含多个信号分量,每个信号分量都具有一个单一的频率,每个单一频率都是由旋转机械的旋转频率决定的。
- When the rotational frequency equals the sum (or the difference) of the natural frequencies of the flexural and torsional vibrations, coupled flexural-torsional resonance may occur. 当转动频率接近于扭转振动固有频率与弯曲振动固有频率之和或之差时，可能会发生弯扭耦合共振。
- The experiment results confirm that the unbalancing vibration of rotor in working rotational frequence is greatly extenuated by using above method and device. 结果证明该方法和装置能够使旋转工作频率下转子的不平衡振动大大减小。
- If the rotating frequency is known, each of the componential signals would be known. 如果知道旋转机械的旋转频率,就可以知道这些单一频率。
- If we know the rotating frequency, we will know each of the componential signals. 如果我们知道了旋转机械的旋转频率，那么我们也就知道了这些单一频率。
- It makes the ISAR image clearer, and also provides some information of the rotating parts, such as the radius and the rotation frequency. 通过对微多普勒信息的分析，同时也能获得旋转部件的一些运动信息，如旋转半径、旋转频率等。
- Relation of Negative Capacitance in LED to Rotational Frequency 发光二极管负电容与角频率的关系
- In addition, the envelope of ship noise waveform can be remodulated utilizing Hubert transform, and the spectrum components with line rotation frequency of propeller shaft are extracted effectively by bispectrum analysis. 另外，对于通过Hilbert变换解出的舰船辐射噪声包络进行双谱分析，有效地提取出了舰船轴频线谱。
- At the large flow rate condition, the blade passing frequency is also dominative in the pressure fluctuations, but at the small flow rate condition the rotation frequency becomes dominative. 在大流量工况下，隔舌处和隔板起始端压力脉动频率以叶片通过频率为主，而小流量工况下以叶轮转频为主。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The Evaluation on Experimental Formula of Blade Rotational Frequency Coefficient 对叶片动频系数经验公式的评价
- Rotational energy states have the least energy. 转动能态具有最小的能量。
- The rotational delay time from a disk file. 磁盘文件的转动延迟时间。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- An amylograph is a rotational torsion viscometer. 淀粉糊粘度图示仪是一种旋转的扭转粘度计。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- So I will probably add a rotational axle soon. 所以，我可能会增加一个旋转轴很快。
- Rotational quenching of LiH by Ne at low energy[J]. 引用该论文 黄武英;凤尔银;崔执凤;张为俊.
