[1]袁红星,贺安之,李振华,等.PSD位置特性与光斑及背景的关系研究[J].东南大学学报(自然科学版),1999,29(2):145-149.[doi:10.3969/j.issn.1001-0505.1999.02.028]
 Yuan Hongxing,He Anzhi,Li Zhenghua,et al.Relation Study of Position Characteristic of PSD with Lightspot and Background[J].Journal of Southeast University (Natural Science Edition),1999,29(2):145-149.[doi:10.3969/j.issn.1001-0505.1999.02.028]
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PSD位置特性与光斑及背景的关系研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
29
期数:
1999年第2期
页码:
145-149
栏目:
电气工程
出版日期:
1999-03-20

文章信息/Info

Title:
Relation Study of Position Characteristic of PSD with Lightspot and Background
作者:
袁红星 贺安之 李振华 王志兴
南京理工大学应用物理系,南京 210094
Author(s):
Yuan Hongxing He Anzhi Li Zhenghua Wang Zhixing
Applied Physics Department, Nanjing University of Science & Technology, Nanjing 210094
关键词:
传感器 误差 光斑 背景光 PSD
Keywords:
sensors error light spot background light PSD
分类号:
TM55;TP202;TH701
DOI:
10.3969/j.issn.1001-0505.1999.02.028
摘要:
分析了PSD(Position Sensitive Detector) 作为二维位置传感器的优越特性,给出了理论上反偏状态下的PSD的定位特性与光斑的关系,解释了在信号光源强度较弱时的位置坐标向中心靠拢的实验现象,理论和实验结果符合得很好,并由此将背景光划分为漫射型和集中型,进一步建立起了背景光影响下的位置误差估算公式以及消除背景影响的算法.
Abstract:
The prior characteristics of PSD are analyzed in this paper. The theoretical relation of position signal with the light spot is provided, and thus the tendency of experimental position signal contracting to the center of PSD gets good explanation when combined with background light. The background is further divided into two groups, the diffused background and the focused background, and the evaluated equation caused by them is presented. At the end of this paper, some measurements to eliminate the effects of background are provided.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目:国防科工委资助项目“直管弯曲度检测设备研制与开发”.
第一作者:男,1971年生,博士研究生.
更新日期/Last Update: 1999-03-20