According to the optical performance of appearance quality of paper, the detection of paper formation have been explored by using computer vision and some methods of image process.
根据纸张表面质量的光学性能，运用计算机视觉和图象处理的一些基本知识，对纸张匀度的检测方法进行研究和探索。
The optical design and performance analysis of a direct vision spectroscope are reported in terms of the dispersion, diffraction and image formation.
根据色散、衍射和成像原理，报道了以全息光栅-棱镜组件为色散元件的直视分光镜的光路设计和性能分析。
The rule of adaxial image formation is studied, of the transmission light and reflected light through the two optical surfaces L_1 and L_2 of the biconvex lens.
研究了经双凸透镜两个光具面 L_1和 L_2的透射光线和反射光线的近轴成像规律，以此说明其像群的形成。
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