【摘要】 科学研究中研究的信号经常是光信号或者可以转化成光量变化的信号,光电传感器可以将光信号转化成相应的电信号而得到广泛应用。简单介绍了以光敏二极管为基础的光电路的组成及应用原理,以便学生可以掌握光照度检测的基本方法。更多还原

【Abstract】 In research,the signals are optical signals and some signals reflected by the variation of light.Photoelectric sensor can change optical signals into electrical signals.That’s why photoelectric sensor is widely used.This paper briefly introduced the optical circuit and the application principles based on the photosensitive diode so that students can grasp the basic approach of detecting light intensity of illumination.更多还原