Research on correction algorithm of laser positioning system based on four quadrant detector

被引：0
|
作者：
Gao, Qingsong [1 ,2 ]
Meng, Xiangyong [3 ]
Qian, Weixian [1 ,2 ]
Cai, Guixia [1 ,2 ]
机构：
[1] Nanjing Univ Sci & Technol, Jiangsu Key Lab Spectral Imaging & Intelligence S, Nanjing 210094, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
[3] Huaan North Ind Grp Corp, Qiqihar, Peoples R China
来源：
FOURTH SEMINAR ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATION | 2018年 / 10697卷
关键词：
Laser positioning; Four-quadrant detectors; Correction; Dark current;
D O I：
10.1117/12.2307139
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper first introduces the basic principle of the four quadrant detector, and a set of laser positioning experiment system is built based on the four quadrant detector. Four quadrant laser positioning system in the actual application, not only exist interference of background light and detector dark current noise, and the influence of random noise, system stability, spot equivalent error can't be ignored, so it is very important to system calibration and correction. This paper analyzes the various factors of system positioning error, and then propose an algorithm for correcting the system error, the results of simulation and experiment show that the modified algorithm can improve the effect of system error on positioning and improve the positioning accuracy.
引用
收藏
页数：6
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