Mirror 4 is just a flat mirror like Newtonian telescope's secondary mirror, to give convenience for eyes.
镜4只是一块平面镜，就象牛顿式望远镜的副镜一样，方便观测。
By analyzing the detecting features of seed metering device, a calibration method of camera system that is only composed of a single camera and a flat mirror is proposed.
通过对排种器性能检测的特点分析，提出了由单摄像机和平面镜组成的摄像系统标定方法。
This paper discusses the accuracy problem of testing a large aperture flat mirror by using stitching interferometry, and analyses the stitching accuracy in theory and experiment.
讨论了在用子孔径拼接法检测大口径光学镜面时的精度问题，并分别从理论上和实验中对拼接检验的精度做了定量分析。
A linear equation set can be solved by means of least square method, thus the form errors of the flat mirror under test can be obtained and the form of the flat mirror can be fitted.
利用最小二乘法求解一组过定线性方程组，求得被检平面镜的面形误差，拟合出被检平面面形。
A linear equation set can be solved by means of least square method, thus the form errors of the flat mirror under test can be obtained and the form of the flat mirror can be fitted.
利用最小二乘法求解一组过定线性方程组，求得被检平面镜的面形误差，拟合出被检平面面形。
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