photosensitive diode meaning in English

光敏二极管

First , the domestic status quo of track inspection and the overseas development of track inspection device are introduced in the thesis . based on the introduction , three schemes to monitor the track irregularity by means o f photoelectric inspection technology are put fonvard in the thesis : using photosensitive diode , using ccd array wfth computer , using ccd array with single chip computer
论文首先介绍了国内轨道检测的状况和国内外轨道检测设备的发展，分析了各种设备的优劣，并在此基础上提出了采用光电检测技术对轨道不平顺参数进行检测的三套方案：光敏二极管阵列方式、线阵ccd结合工业控制计算机方式和线阵ccd结合单片机方式。