毕业设计论文—基于单片机的超声波测距电子电路设计.doc

毕 业 设 计（论文） 题 目：超声波测距电路设计 学 院：电气与电子信息工程学院 专业名称： 应用电子技术 学 号： XXXXXXXXXXXX 学生姓名： X X X 指导教师： X X X XX年 XX月 X X 日 绪论···························································1 I.1 课题设计的目的及其意义·································1 I.2 超声波测距仪的设计思路·································2 I.3 课题设计的任务和要求···································2 1 课题的方案设计与论证···········································3 1.1 系统整体方案的设计·····································3 1.2 系统整体方案的论证·····································3 2 系统的硬件结构设计·············································4 2.1 单片机的功能特点及测距原理·····························4 2.2 超声波发射电路·········································5 2.3 超声波检测接收电路·····································6 2.4 超声波测距系统的硬件电路设计···························7 3 系统软件的设计·················································9 3.1 超声波测距仪的算法设计·································9 3.2 主程序流程图···········································9 3.3 超声波发生子程序与超声波接受中断程序···················11 3.4 系统的软硬件的调试·····································11 总 结····························································12 致 谢····························································14 参考文献··························································15 附 录 一 超声波测距电路原理图 论 1.1课题设计目的及意义 1.1.1设计的目的 随着科学技术的快速发展，超声波将在中的应用越来越广。但就目前技术水平来说，人们可以具体利用的技术还十分有限，因此，这是一个正在蓬勃发展而又有无限前景的技术及产业领域。展望未来，超声波作为一种新型的非常重要有用的工具在各方面都将有很大的发展空间，它将朝着更加高定位高精度的方向发展，以满足日益发展的社会需求，如声纳的发展趋势基本为：研制具有更高定位精度的被动测距声纳，以满足水中武器实施全隐蔽攻击的需要；继续发展采用低频线谱检测的潜艇拖曳线列阵声纳，实现超远程的被动探测和识别；研制更适合于浅海工作的潜艇声纳，特别是解决浅海水中目标识别问题；大力降低潜艇自噪声，改善潜艇声纳的工作环境。无庸置疑，未来的超声波将与自动化智能化接轨，与其他的集成和融合，形成多。随着的技术进步，将从具有单纯判断功能发展到具有学习功能，最终发展到具有创造力。在新的世纪里，面貌一新的将发挥更大的作用。随着科技的发展，人们生活水平的提高，城市发展建设加快，城市给排水系统也有较大发展，其状况不断改善。但是，由于历史原因合成时间住的许多不可预见因素，城市给排水系统，特别是排水系统往往落后于城市建设。因此，经常出现开挖已经建设好的建筑设施