超声波液位仪的设计_毕业设计

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1、学士学位毕业设计（论文）超声波液位仪的设计学生姓名：指导教师：所在学院：专业：目录摘要...............................................................IABSTRACT...........................................................I前言...............................................................I1绪论........................................

2、..................11.1课题背景........................................................11.1.1超声波液位仪的研究背景与内容.................................11.1.2超声波液位仪的现状..........................................11.2论文研究内容..................................................21.2.1研究内容......................

3、..............................21.2.2论文的章节安排..............................................32超声波的液位测量原理...........................................52.1超声液位仪理论基础............................................52.1.1超声波介绍..................................................52.1.2超声波探头的结构和原理.....

4、.................................52.1.3T/R40-16超声波探头..........................................72.1.4传感器的指向角Θ............................................82.2超声波液位仪工作原理..........................................92.2.1超声波液位仪工作原理........................................92.2.2测量盲区..........

5、.........................................102.3本章小结....................................................113硬件总体设计.................................................123.1超声液位仪总体设计...........................................123.2单片机电路...................................................143.2.

6、1复位电路设计...............................................153.2.2电源电路设计...............................................163.2.3时钟振荡器.................................................173.3发射电路.....................................................183.4接收电路......................................

7、................193.5液晶显示电路.................................................203.6蜂鸣报警电路..................................................213.7对电路板进行合理设计...........................................233.8本章小结.....................................................254系统软件设计..................

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