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1)  vibration cancellation
振动抵消
2)  cancellation of intensities
振动强度的抵消;波的相互抵消
3)  Resonance and cancellation
共振及抵消
4)  automotive resistance
自动抵消
1.
This paper focuses on the automotive resistance zero drift citcuit and its usage.
本文通过介绍运算放大器电路的工作原理,阐述了一种能自动抵消零点漂移的电路及其应用。
5)  active vibration attenuation
主动消振
1.
Then originated from the theory of active vibration attenuation and based on practical needs for mechanical actuator, a kind of analytic algorithm called phase adjusting analytic algorithm is proposed to calculate its optimal phase and eccentric distance.
利用机械作动器进行主动消振是船舶振动控制领域的一项新技术。
6)  elimination-reduction
振动消减
1.
Based on such theories as wavelet analysis, applied mathematics and data structure, the tree-structured geometrical model and algorithm for the elimination-reduction of air-column-inherent frequency were proposed in order to avoid resonance between the air-column-inherent frequency of the multi-degree-of-freedom piping system and the mechanical-inherent frequency.
为了避免多自由度管路系统的气柱固有频率和机械固有频率的共振,基于小波分析、应用数学、数据结构等理论,提出了一种解决多自由度管路系统气柱固有频率振动消减的树状几何模型及树状算法。
补充资料:点振子振动和点电极振子振动
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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。

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