The principle and design process of the system to measure the roundness error using the Lloyd mirror, linear CCD image processing system are described.
论述了系统利用劳埃德镜干涉装置，通过线阵CCD图像处理系统自动测量圆度误差的工作原理及过程设计。
According to mirror image principle. a simple and practical formula for numerical match and a dependence for estimating truncation error of summing up infinity terms are proposed out.
文章根据镜像原理，提出了简单实用的数值拟合公式与求无穷和项截断误差估计关系式。
This paper studies the establishment of four-mirror circle feedback system and the principle of controlling contrast changes of the image pattern by this system.
本文讨论了建立四反射镜环形反馈系统的有关问题，探讨了利用环形反馈系统控制图象对比度变化的原理。
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