optical focus meaning in English
光焦点
光学焦点
Examples
- Optical focus switch
光聚焦开关 - Firstly , optical trigonometry measurement principle and wok principle of linear ccd are introduced , which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant . secondly , peripheral circuit of linear ccd is designed in theory and experiment . finally non - contact thickness measurement instrument is constructed , using ccd as photoelectric transformation element and microprocessor as the controller
本文首先介绍了光学三角法测量原理，并对线阵ccd的工作原理进行了研究，以此为基础采用氦氖激光器为光源，设计了光学聚焦及成像系统，对线阵ccd外围电路的设计进行了理论设计和实验研究，最后设计了以ccd为光电转换元件，以微处理器为控制核心的非接触式厚度测量仪及其系统。