目 录
摘要...............................................................................................................................I
Abstract.......................................................................................................................II
引言 ..............................................................................................................................1
第一章 概述..............................................................................................................2
1.1 选题的背景和意义 ............................................................................................2
1.2 脉搏测量仪的发展与应用 ................................................................................3
第二章 总体方案的论证与设计 ........................................................................5
2.1 主控模块的选型和论证 ....................................................................................5
2.2 显示模块的选型和论证 ....................................................................................5
2.3 传感器的选型和论证 ........................................................................................5
2.4 系统整体设计概述 ............................................................................................6
第三章 系统硬件电路设计..................................................................................8
3.1 主控模块 ............................................................................................................8
3.1.1 STC89C52 单片机主要特性 ..........................................................................8
3.1.2 STC89C52 单片机的中断系统 ....................................................................12
3.1.3 单片机最小系统设计 ...................................................................................12
3.2 显示模块电路 ..................................................................................................12
3.3 信号采集电路设计 ..........................................................................................16
3.3.1 传感器简介 ...................................................................................................16
3.3.2 滤波电路 .......................................................................................................17
3.3.3 放大整形电路 ...............................................................................................17
第四章 系统软件设计.........................................................................................17
4.1 系统软件总体设计 ..........................................................................................17
4.2 程序设计原理 ..................................................................................................19
