系统采用基于点阵样板的校正方法，拟合理想像与实际像的关系，完成像素点的几何位置校正和灰度校正；
The hardware system is based on the dot-array plate arithmetic, fitting the correlation between ideal image and real image, and achieving the correction for location and gray-level of image pixels.
当入射光束与出射光束平行时，单色同心光学系统空间任一点成几何理想像。
If a monocentric system existed for which an incident collimated beam emerged as exactly collimated, then the system would give geometrically perfect imaging of any point in space.
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