衍射屏 [光] diffraction screen
- 本文设计了两种自相似平面结构,制成相应的衍射屏,获得夫琅和费衍射图样。
IB this paper, two self-similar plane structures are designed, the corresponding diffraction screens arc made and its Fraunhofer pattern are obtained. - 基于部分像素衍射屏的原理,提出一种结构更为简单,更易实现的新型衍射元件(DOE)。
We described in detail a new diffraction optical element(DOE) based on partial pixel theory, which is structured with greater facility and easier to be realized. - 利用光学衍射原理,研制成了光纤光栅衍射屏,并与计算机神经网络相结合,开发了一种识别立体形状的视觉系统。
An optic fiber grating diffraction screen is developed by use of optical diffraction. Combining with computer neural network, a vision system for recognizing stereo shape is developed.
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