Research and Application of Mathematical Model of Transmission Grating Signal Lissajous Figure
In this paper,the working principle of the grating measurement system is combined with the Fourier analysis method of Moiré fringe to establish the mathematical model of the grating signal Lissajous figure to know the quality of the grating signal intuitively.The Mathematica numerical analysis software is used to obtain the graphics of the model,and the correctness of the relationship between the parameters of the grating measurement system and the Lissajous figure equation of the grating signal is verified.The influence of the grating pair angle α on the output voltage signal and Lissajous figure of the grating measurement system is studied.The results show that the intensity of the two-phase output electrical signal decreases gradually with the increase of the deviation of the angle α of the grating pair,but the equalamplitude of the two-phase output electrical signal does not change; Meanwhile,the shape of the grating signal Lissajous figure gradually changes from the ideal circle to the non-ideal ellipse,until a straight line with a strip slope of 135° is formed.
Luqing Hu Xianqing Lei Xiaoyi Wang Yadong Zhang Xiaolin Zuo
Henan University of Science & Technology,471003 Luoyang,China Shangqiu University Applied Science and Technology College,475000 Kaifeng,China
国际会议
上海
英文
1-5
2018-10-12（万方平台首次上网日期，不代表论文的发表时间）