振动器

A number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries.

为了进行航空及导弹工业的振动试验，已经建造了若干大型电磁式激振器。

Theoretical analysis and experiment result indicate that the isolator can good insulate vibration, and isolation performance is stable.

理论分析及试验结果表明，该隔振器可以较好地隔离振动，并且隔振性能稳定。

The results of the test reveal that the suitable rubber vibration isolator could shorten vibration and noise greatly.

试验结果表明，加装橡胶隔振器能有效降低泵的振动噪声。

Amplitude limiting devices, or snubbers, are installed on the outside of the core support barrel near the bottom end in order to minimize vibration induced by the coolant flow.

振幅限制器或缓冲器被安装在位于底端附近的活性区支撑吊篮的外面，以便极小化由于冷却剂流动而引起的振动。

The key processes of slipform construction of concrete pavement are the vibrational consolidation and slip extrus...

水泥混凝土路面滑模施工的关键过程是移动内部振捣器和滑动模板对混凝土混合料的振动密实和滑动挤压成型。

The key processes of slipform construction of concrete pavement are the vibrational consolidation and slip extrusion forming of fresh concrete by moving internal vibrators and forms.

水泥混凝土路面滑模施工的关键过程是移动内部振捣器和滑动模板对混凝土混合料的振动密实和滑动挤压成型。

When prions bind to the resonator's silicon sensor, it changes the vibrational resonant frequency of the device.

当朊病毒结合了硅传感器的共振器，它就会改变此设备振动的共振频率。

Periodic fluid pulsation in aeroplane hydraulic piping could induce fluid-construction vibration and lead to fatigue damage. It is impossible to find the error sensor's optimization location because of the pressure standing wave, and the pulsation attenuation effect is not perfect when adopting pulsation attenuation at single point. For this reason, a distributed active control method of fluid pulsation was presented. To avoid stationary point in all aviation states, several fluid pulsation actuators and error pressure sensors were placed along the piping. The second fluid pulsation produced by actuators can counteract the primary pulsation brought by aviation piston pump and make the mean pulsation of whole piping minimum when adopting adaptive feed- forward control and the filtered-X least mean square algorithm.

针对飞机液压能源管路系统中的周期性流体脉动诱发流固耦合振动，导致管路疲劳损伤的问题，针对管路中存在压力驻波特性，在采用单点消振时寻找误差传感器最佳布局位置困难而引起脉动抑制效果不理想的缺点，提出了一种分布式流体脉动主动控制方法，即沿管路不同位置布置多个主动消振阀和误差压力传感器，在任意飞行阶段，避开压力驻波点，以误差压力传感器的脉动测量值为控制目标，采用一种针对周期脉动主动控制的自适应前馈控制法和多通道自适应滤波－X LMS算法，调整控制器参数，使主动消振器产生的次级脉动与管路中的初始脉动相互抵消，达到整个管路中的平均流体脉动最小的效果。

The sudden stiffness change on the top of tube towers of ship lifts caused the intensive seismic whipping effect to the top machinery building. To suppress the whipping effect, a roof MRD isolation system were presented.

升船机结构塔柱平台处的刚度突变会引起升船机顶部厂房强烈的地震鞭梢效应，在升船机结构模型上设置屋盖磁流变阻尼器MRD隔震系统并进行振动台试验，以验证该系统对控制升船机结构顶部厂房地震鞭梢效应的有效性。

In this paper, the mould electro hydraulic servo oscillation control system with digital wave occurer is introduced.

在新型连铸生产工艺中，采用带有数字波形发生器的结晶器电液伺服振动控制是保证连铸生产质量的关键技术之一。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。