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1)  over-standard vibration
振动超标
2)  Ultra-low frequency standard vibrator
超低频标准振动台
1.
In the paper,based on the analysis of conventional low frequency standard vibrator,kinetic equation of ultra-low frequency standard vibrator is studied,and the approximate expression and formula for waveform distortion are given Analyzing this formula,the factors affecting waveform distortion such as damping,vibration amplitude,frequency,nonlinear coefficient of suspension spring are .
本文在国内已有的低频标准振动台研究基础上 ,首次建立了超低频标准振动台的动力学方程 ,并求出了其近似解析解和波形失真度计算公式。
2.
In this paper, a new compound controller with PID controller and ILC controller was designed ,and applied to sine waveform control in ultra-low frequency standard vibrator.
将迭代自学习控制与传统PID 控制相结合构成一种新的复合控制策略,应用于超低频标准振动台台面正弦波形的反馈控制上,获得了满意的结
3)  ultrasonic vibration
超声振动
1.
Study on the Design of Ultrasonic Vibration Internal Grinding System Shaft Based on FEM;
基于有限元的超声振动内圆磨削系统的主轴设计与研究
2.
Surface Characteristics of Cemented Carbides Machined by Ultrasonic Vibration Assisted EDM in Gas Medium;
超声振动辅助气体介质电火花加工硬质合金表面裂纹特性
3.
Gas Flow Field Simulation During Ultrasonic Vibration Assisted Gas Medium EDM Based on Fluent Software;
基于Fluent的超声振动-气体介质电火花加工气体流场模拟
4)  ultrasonic vibrations
超声振动
1.
Effect of Ultrasonic Vibration on Crystalline Morphology of Polyolifen——Fineness by Ultrasonic Vibrations;
超声振动对聚烯烃结晶形态的影响——超声细化
2.
First, the author introduced different ultrasonic vibration devices; then, the author mainly described the influences of ultrasonic vibrations on polymer extrusion process and product properties.
描述了超声振动技术在聚合物挤出成型过程中的典型应用方式及其研究结果,重点阐述了挤出模头中引入超声振动后,超声振动对聚合物熔体挤出过程及制品结构性能的影响。
5)  ultrafine vibration
超微振动
1.
OBJECTIVE To explore the difference of ultrafine vibration extraction technology and conventional extraction technology,choice the best ultrafine vibration extraction technology of coptis chinensis.
目的探索超微振动提取与常规提取工艺提取效果差别,优化黄连超微振动提取工艺。
6)  superharmonical vibration
超谐振动
1.
Based on the dynamic analogy of Von Karman s equation,the superharmonical vibration performance of bucked hinged rectangular thin plate subject to parametrical inplane excitations is ana lysed.
基于VonKarman方程的动态比拟,分析参数激励简支矩形屈曲薄板超谐振动特性,并通过实验验证了理论分析。
补充资料:点振子振动和点电极振子振动
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CAS号:

性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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