Based on this principle the resolution of grating scale for large displacement can be enhanced 1 ~ 3 power.
2
讨论了输出正交正弦波的光栅尺（又称光栅线位移传感器）在位移测量中的脉冲细分原理。
The principle of pulse fine division in measurement of displacement by using grating scale (so called Grating line displacement transducer) with right-angled sinewave is discussed.
3
以加工中心为研究对象，分析了光栅尺的工作原理；
The research of this paper is on machine center and develops such works.
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