...光栅自成像；莫尔条纹；菲涅耳衍射；光电编码器 中图分类号：TP212.14, TN253 文献标志码：A [gap=1201]Key words: grating self-imaging; Moiré fringe; Fresnel diffraction; photoelectric encoder ..
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grating self-imaging
光栅的自我形象
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The angular displacement of reflecting surface is measured in accordance with the direction change of Moire fringes caused by the inclination of grating. self-imaging plane.
利用光栅自成象面的倾斜引起莫尔条纹方向变化来测量反射表面的角位移。
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