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1)  vibration measuring error
振动测量误差
1.
2 bearings due to the vibration of high-or medium-pressure rotor excited by steam under heavy load,and vibration measuring error because of defective insulation of generator bearing chocks.
针对北方联合电力有限责任公司近年投运的某些亚临界300MW和600MW汽轮发电机组在试运行过程中出现的一些振动问题,如低压转子轴承轴振动偏大、轴承座振动偏大,高中压转子带大负荷时发生蒸汽激振导致1号、2号轴承突发低频振动,发电机轴承座绝缘不良引起的振动测量误差等,介绍了振动特征,并对振动原因进行了分析,提出了现场消除振动故障的一些处理措施。
2)  Vibration Error
振动误差
1.
Dynamic characteristics and vibration error of RLG are mainly studied in this paper, and the coupled dithering error of strapdowm inertial navigation system is elementarily analyzed.
本文主要研究了激光陀螺动力学特性与激光陀螺振动误差,并初步探讨了激光捷联系统的抖动耦合误差。
3)  Dynamic measurement error
动态测量误差
1.
A dynamic measurement error predicting method based on improved RBF network;
基于改进RBF神经网络的动态测量误差预测方法
2.
In this paper, the feasibility of applying the grey model to obtaining the interpolation in dynamic measurement is analyzed, and a method is put forward to make interpolating prediction using the grey prediction model derived from the whitening of dynamic measurement errors according to the principles of grey modeling theory.
根据灰色建模机理和特点 ,分析动态测量中灰色模型插值的可行性 ,提出动态测量误差白化生成的灰色预测模型用于插值预报的方法。
4)  Heterodyne vibration measurement
外差振动测量
5)  measurement error
测量误差
1.
A discussion of measurement errors of coaxiality of long-distance bores;
远距离孔同轴度测量误差探讨
2.
Method of reducing measurement error on core resistivity.;
降低岩心电阻率测量误差的方法
3.
Theoretical study on the measurement error of ultrasonic power meter;
对悬链式超声功率计测量误差的理论探讨
6)  measuring error
测量误差
1.
Adaptive correction of multi-range measuring errors of laser resistor trimming machine;
激光调阻机多档测量误差的软件自适应校正
2.
Heat-conduct analysis of measuring error of thermometric component;
测温元件测量误差的传热学分析
3.
Effect of measuring error of power - law fluid on pipeline friction coefficient;
幂律流体本构常数测量误差及其对管线摩阻系数的影响
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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