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本文从泰伯效应出发,以实验结果讨论了泰伯距离与菲涅尔焦面的关系,并且得出,等栅距光栅传感器,光栅间隙在1/4泰伯距离时无讯号输出的结论。这一点在一般讨论影响莫尔讯号输出因素的资料中是未曾提及的。
Based on the Talbot effect, the paper discusses the relationship between the Taber distance and the Fresnel focal plane based on the experimental results, and concludes that no equal signal is output when the grating pitch of the grating is equal to 1/4 Tabar. This is not mentioned in the general discussion of the factors that affect the output of the moiré signal.