Key parts including piezoelectric transducer and amplitude transformer with a cylindrical hole in the center, and flexural vibration disk are analyzed and calculated.
提出了珩磨杆、珩磨头体均不振动的设计思想，分析计算了中心有圆柱孔的压电换能器和变幅杆，以及弯曲振动圆盘等关键部分。
Incremental motion encoder (IME) is a new type of transducer for shaft center trace measurement with resolution up to sub-micro.
运动增量编码器(IME)是一种新型的轴心轨迹测量传感器，其测量灵敏度可以达到亚微米级。
The displacement scale factor (DSF) represents the correlation between the displacement voltages from the transducer to the actual position of center plate of the transducer.
位移因子是表示传感器控制器输出的位移电压与中间极板的实际位移的相互关系的量。
To calibrate the DSF, the physical displacement of the center plate is simultaneously recorded by the transducer and interferometer.
为了校准位移因子，需通过电容传感器和干涉仪同时记录中间极板的实际位移值。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
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