谈述毕业论文范文

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1、谈述毕业论文范文谈述毕业论文范文_导读：103.1芯片选型.....................................................-103.1.1单片机AT89C51性能介绍.................................-103.1.2超声波接收芯片CX20106A性能介绍5678910超​声​波​测​距​系​统目录目录.................................................................-0摘要.

2、...............................................................-1Abstract.............................................................-21绪论..............................................................-31.1超声波测距概述................................................-31.2设计任务和功能要求...................

3、.........................-32超声波测距原理....................................................-52.1超声波的基础知识..............................................-52.1.1超声波的波型及其传播速度.................................-52.1.2超声波的反射和折射......................................-62.1.3声波的衰减..............................

4、................-72.2超声波发生器..................................................-72.3压电式超声波发生器原理........................................-82.4超声波测距原理................................................-83硬件电路的设计...................................................-103.1芯片选型..............................

5、.......................-103.1.1单片机AT89C51性能介绍.................................-103.1.2超声波接收芯片CX20106A性能介绍5678910谈述毕业论文范文_(2)导读：........................-133.2超声波测距系统框架图.........................................-153.3系统硬件电路的设计...........................................-163.3.1单片机系统及显示电路..........

6、.........................-163.3.2超声波发射电路.........................................-173.3.3超声波检测电路.........................................-184系统软件设计.....................................................-204.1主程序设计...................................................-204.2超声波发射子程序和超声波接收中断程序........

7、.................-214.3LED动态显示程序.............................................-215系统调试及误差分析...............................................-245.1调试.........................................................-245.2性能分析........................