Reduction of the Distortions in Optical Measuring Systems

被引：0
|
作者：
Budai, B. T. [1 ]
Myakutina, I. V. [1 ]
Kasatkin, N. V. [1 ]
机构：
[1] Ural Fed Univ, Ekaterinburg, Russia
来源：
MEASUREMENT TECHNIQUES | 2015年 / 58卷 / 06期
关键词：
optical measuring systems; object size; low-frequency image distortions; diffraction; empirical and analytical estimates;
D O I：
10.1007/s11018-015-0768-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that in optical measuring systems the errors in measuring the coordinates of an object largely depend on the image distortions, due to diffraction by the objective. An analytical estimate is given of these distortions as a function of the size of the objective, which indicates the possibility of reducing image distortions by a more accurate choice of the size of the objective and other parameters of the optical channel.
引用
收藏
页码：640 / 646
页数：7
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