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- 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。
- frequency of vibration systems 振动系统频率
- 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。
- The dynamic characteristics of vibration system depend mainly on its modality parameters. 摘要振动系统的动态特性主要取决于其模态参数。
- 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。
- Transfer principle of vibration system in ultrasonic honing and design method are studied. 对超声珩磨振动系统传递原理及振动系统的设计方法进行了研究。
- 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。
- Then, the structure of vibration system is brought forward, the composite vibration system composed of conical horn and disc. 然后,提出了振动系统的构成,即圆锥形变幅杆与圆盘组成的复合振动系统。
- 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。
- In addition, this method utilizes system matrices of vibration systems, and does not involv in transforming a vibration system to its first-order linear system. 此外,该特征结构配置参数化方法直接基于振动系统参数矩阵,无须对振动系统进行变换并将其转化一阶线性系统。
- The lowest frequency of a periodically varying quantity or of a vibrating system. 基频周期变化量或振动系统的最低频率
- 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。
- The principle of vibration systems of ultrasonic vibration honing are discussed.The vibration effect of horn,curved vibrating disc and child system are analyzed by experiments. 论述超声波振动珩磨振动系统的原理,通过振动试验分析振动系统中的变幅杆、弯曲振动圆盘、振动子系统的振动效果。
- 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。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Response of impact damping system in time domain was reduced on the base of vibrating system's transfer function. 摘要基于主振系的传递函数对垂直冲击消振系统的时域响应进行理论推导;
- 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。
- 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。