v0 And there is an angle between ; the position vector and v zero; 0 I call that phi zero.
在方位向量和,之间，有一个夹角;,我们叫它φ
Incremental optical electric axial Angle encoder usually adopts zero position grating providing absolute zero position in order to prevent from data fault during electricity failure suddenly.
为了防止突然断电时造成数据错误，增量式光电轴角编码器通常采用零位光栅提供绝对零位信号。
The invention is used for angle measurement and angle sensor elements, and can measure the absolute zero position of the measured rotor.
本发明用于角度测量或角度传感器元件，可以测出被测转子的绝 对零位。
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