resonance vibration

Regulating suspension stiffness can avoid system resonance frequency to avoid resonance effectively, and then adjusting damping can damped vibration further.

调节悬架刚度可有效避开系统共振频率，避免发生共振，再根据行驶工况对阻尼的需要，通过调节阻尼进一步衰减振动。

Built-in anti-resonance isolation system to reduce vibration and noise levels with good results.

内建的 反谐振 隔离系统对降低振动和噪声水平产生良好效果.

The frequency of F4 roller chatter mark is 78 Hz, which is caused by stand horizontal resonance vibration.

F4轧辊振纹频率为78Hz，是由机座水平系统共振造成的；

The fuzzy resonance vibration failure zone and fuzzy intensity failure zone and their membership functions of vibrating structure components are built when the fuzzy method is applied into the vibration reliability assessment of structure components of aero engine.

应用模糊方法评估部件振动可靠性时，需构建部件振动的模糊共振区域及相应的隶属函数和模糊强度失效区域及相应的隶属函数。

Results indicate that the lateral forcing vibration frequency of train is close to the lateral natural vibration characteristics of the bridge when trains running at 70 and 75 km · h-1, and the resonance occurs.

研究结果表明：列车以70和75km。

It is shown by the result that the method can solve some problems about complex factors in the fuzzy resonance vibration failure zone and fuzzy intensity failure zone and their membership functions confirming of the key structure components of aero engine.

结果表明，该方法能够解决航空发动机关键部件模糊共振失效区域及其隶属函数、模糊强度失效区域及其隶属函数确定中一些复杂因素的处理问题。

The resonance of sonic wave vibration is the key technology in the ultrasonic vibration drilling.

超声振动钻削中声振系统的共振是实现超声振动钻削的关键技术问题.

It further verified the Sterilizaation mechanism of bond vibration resonance.

这又一次验证了药物的化学键振动共振杀菌机理.

Then through the modal analysis get output axis of frequency and vibration model, analyzes whether it is to produce resonance, ask out of output axis limit rotational speed and working speed compare.

然后通过模态分析得到输出轴的频率和振型，分析其是否产生共振变形，求出输出轴的极限转速和工作转速做比较。

In this paper, the thickness vibration of the piezoelectric ceramic stack consisting of a number of identical piezoelectric ceramic thin rings is analyzed and its electro-mechanical equivalent circuit is obtained. The resonance frequency equation for the sandwich piezoelectric ceramic ultrasonic transducer in thickness vibration is derived.

对压电陶瓷晶堆的厚度振动进行了分析，得到了机电等效电路，推导了共振频率方程。

The vibration measurer for testing parasitic resonance must have good unidirectivity and sufficient frequency bandwidth.

测定寄生谐振的振动台要有良好的单向性和足够宽的频带。

Torsional vibration is one of the main factors causing the vibration and noise of engine, serious resonance will have negative influence on engine performance and do damage to the engine itself.

轴系扭振是内燃机振动、噪声的主要来源之一，严重的扭振共振还会影响内燃机的性能、零部件的寿命以及设备运行的安全。因此，对轴系扭振进行研究是很有必要的。

Vibration analysis and resonance vibration abatement of pushing coke pole

焦炉推焦杆振动分析及共振消除