1) small vibration
微小振动
1.
A method of measuring small vibration with an amplitude lower than half that of the wavelength of laser is developed.
研究振动幅度小于激光半波长的微小振动的测量方法 。
2.
Results show that the small vibration of this ideal model is non-simple harmonic,and the period of vibration in x direction and y direction are inverse ratio to the amplitude inverse ratio to the amplitude respectively,but influenced a little by them,and the waveform that coul.
本文应用拉格朗日方程方法研究了理想对称四弹性振子做二维运动的变化规律,得到其微小振动的控制方程,用数值解法求解出了振动方程,得到了振子运动的时程响应和轨迹图样。
2) Microvibration reconstruction
微小振动重构
3) Micro-vibration
微振动
1.
Micro-vibration of Ultra-precision Gas Bearing Linear Motion Stage and Its Elimination;
超精密气浮工件台的微振动及其抑制
2.
New development of micro-vibration integrated modeling and assessment technology for high performance spacecraft;
高精度航天器微振动建模与评估技术最近进展
3.
A micro-vibration signal fidelity-pickup interferometer based on optical fiber laser;
基于光纤激光器的微振动信号保真拾取干涉仪
4) Micro vibration
微振动
1.
Direct intensity demodulation of laser Doppler micro vibration signal;
激光多普勒微振动信号的直接强度解调
2.
Experimental observation of self-mixing interference in laser diode and micro vibration;
激光二极管自混合干涉和微振动的实验观测
3.
A system measuring micro vibration in weak reflection based on PSD and laser triangulation method
PSD激光三角法弱反射微振动测量系统
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) aero-vibration
微风振动
1.
Second,a new aero-vibration force induced by shed vortex had been educed by wind power equivalent principle,and this force has the capability to account for the aero-vibration distribution and the wind power input which had been obtained in laboratory.
为预防微风振动对输电线路的破坏、有别于传统的能量平衡法,研究了微风振动的半解析解。
2.
The vertical, steady-state, monofrequent aero-vibration of a single 1000kV UHV transmission conductor with a Stockbridge-type damper attached was researched by the finite element method (FEM) differing from the traditional energy balance method (EBM).
为了分析安装防振锤的1000kV特高压架空输电线路的微风振动强度,研究了利用有别于传统能量平衡法(EBM)的有限元方法(FEM)分析微风振动的关键技术。
3.
Differing from the traditional energy balance method(EBM)the finite element method(FEM)is adopted to analyze the aero-vibration of 1000kV UHV transmission conductors.
对于1000kV特高压架空输电线路,有别于传统的能量平衡法(EBM),研究了利用有限元方法(FEM)分析微风振动的关键技术。
补充资料：点振子振动和点电极振子振动
分子式：
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。
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。
参考词条