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。
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.
提出一种具有绝对零位标识的光栅位移测量系统的误差补偿方法。
A method for compensating the measuring error of the grating displacement measurement system with absolute zero mark is presented.
介绍了一种采用光栅数显装置的绝对零位系统进行大直径测量的新方法。
This article introduces a new way which applies absolute zero position system of grating digital readout-instrument to measuring large diameter.
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