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- Experimental Research on Influence of Main Frequency of Vibration on Measurement of Vibration Rate of Particle 振动主频对质点振速测量影响的试验研究
- main frequency of vibration 振动主频
- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The combustion cycle is the main reason of both cutting waviness and main frequency of optical signal. 结果表明,燃烧循环理论不仅是切割面波纹形成的主要因素,也是光信号主频产生的主要原因。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系统的固有频率越低,隔振性能越好。
- The results show that the main frequency of the acoustic signal increases with the shape change of the ripple spring located under the slot wedge. 研究表明在波纹板的弹性范围内,随着波纹板形变量的加大,测得的声信号能量谱图中主频率值逐渐增加。
- Then the graph of the changes of group and energy velocity with the length of cutoff region and the main frequency of the wave packet is received. 计算了波包穿越势垒的群速和能量速度,得到群速和能速与截止区长度的关系图,以及群速与激励源的工作频率的关系图。
- The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed. 试验结果表明:相对位移对表面光洁度的影响是线性”的,不仅与振动幅值有关而且与振动频率及主轴转速有关。
- The results indicate that the natural frequency of vibration of multispan stone arch bridge is closely packed and it has adequate safety allowance. 研究结果表明,多跨度石拱桥作为一个整体,其自振频率较为密集,桥梁具有足够的安全裕量。
- The hysteresis loops, response of vibration, transmissibility and resonant frequency of dampers with different thickness are obtained respectively. 获得了钢板厚度不同时隔振器的弹性迟滞回线、隔振器系统频响特性、传递率及固有频率。
- Both increasing the mass and reducing the support stiffness of the slab can reduce the natural frequency of the FST system to achieve better performance of vibration isolation. 可以通过增加浮置板质量和降低浮置板支承刚度的方法降低浮置板轨道系统的固有频率,以达到较好的隔振性能。
- Through the swept frequency experiment study for a kind of CD-ROM,the damp ratio of vibration system and natural frequency of vertical vibration model are obtained. 通过对某型号CD光驱的隔振系统作扫频实验,获得振动系统的阻尼比和竖直振型对应的固有频率。
- When the length of cutoff region is so long or the main frequency is so high to approach the cutoff frequency, the main frequency of wave packet is so high to exceed the cutoff frequency. 电场频谱图显示波包的频谱明显上移,而且当截止区长度足够大时,或者输入波频率趋近于截止区截止频率时,波包的峰值频率甚至超过了截止区的截止频率。
- Before the bubbly flow transits to cap-bubbly flow, the growth rate of void fraction wave becomes the maximum value when the disturbance frequency is close to the main frequency of void fraction wave. 空隙率波的增长系数求解结果表明,泡状流向弹帽泡状流转化时,空隙率波对有限扰动是不稳定的,并对扰动的频率有所选择。当扰动频率与空隙率波的主控频率相近时,空隙率波呈最大增长状态。
- On the other hand, there is little effect on the characteristic frequencies of vibration spectrum for a normal bearing. 在另一方面则发现,对数转换对于正常轴承之振动频谱并无太大影响。
- The calculation of vibration parameters was carried out on a FACOM-M16o computer. The highest frequency of the system evaluated is up to 25th order and the associated model patterns are plotted. 并在FACOM-M160计算机上进行振动特性的计算,得出系统的前25阶固有频率、绘制了对应的振型图。
- SA (spectral acceleration) is approximately what is experienced by a building, as modeled by a particle on a massless vertical rod having the same natural frequency of vibration as the building. 而谱加速度大致上是一座建筑物感受到的加速度,科学家把一颗与目标建筑物具有相同自然频率的粒子放在一个近似无质量的垂直控制棒上进行模拟得出此数据。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Of, characterized by, or consisting of vibration. 振动的振动的,以振动为特征的,由振动组成的