本方案所涉及的点光源跟踪系统采用光敏三级管来检测点光源，并且利用比较比较器来判断电压高低，从而获知各个光敏传感器接收到的光的强弱来判断点光源的位置。-The program involves a point light source tracking system using three tubes sensitive to detect the point light source, and the use of relatively high and low voltage comparat