目录 1 实验任务 ···································································································· 1 2 设计原理 ·································································································· 1 2.1 基本理论 ···························································································· 1 2.2 系统框图 ···························································································· 1 2.3 程序设计流程图 ··················································································· 2 3 实现方案 ·································································································· 3 3.1 硬件电路图 ························································································· 3 3.2 原理图说明 ······················································································· 3 3.2.1 光电前置放大电路 ······································································ 3 3.2.2 AD 转换电路 ···············································································...
