目录1 引言..............................................................................................................................................11.1 脉搏的讨论背景...............................................................................................11.2 选题意义...........................................................................................................12 系统设计方案...........................................................................................................................12.1 实现的要求和功能...........................................................................................12.2 采集主控芯片方案..........................................................................................22.3 脉搏传感器的选择...........................................................................................22.4 上位机实现方案...............................................................................................43 硬件电路设计...........................................................................................................................43.1 系统总框架.....................................................................................................43.2 单片机模块.......................................................................................................5..........................................................................................................................................53.2.2 单片机最小系统模块....................................................................................6..........................................................................................................................................6..........................................................................................................................................73.3 脉搏信号的采集.................................................................................................
