By using finite element method, the deformations of flat membrane mirror have been calculated.

运用有限元法对不同工况下平面薄膜反射镜的变形进行了计算。

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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。

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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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