数字式红外线测速仪

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1、（封面）天津理工大学中环信息学院电子技术课程设计设计题目：数字式红外线测速仪姓名：廖伟学号：系别：电子信息工程系专业班级：通信一班开始日期：2014年6月9日完成日期2014年6月20日指导教师：彭利标成绩总评（分数）：5天津理工大学中环信息学院课程设计任务书系别：电子信息工程系班级：12通信1班姓名：廖伟学号：课程名称电子技术课程设计设计题目数字式红外线测速仪设计任务描述及基本要求一、任务描述1、在前导验证性认识实验基础上，进行更高层次的命题设计实验2、设计环节：利用模拟、数字电路知识，解决电子线路中常见的实际问题。二、基本要

2、求技术指标要求：1、闪烁。3、用红外先发光二极管，光敏三极管作为速度转换测速范围为10到990转/分。2、两位数字显示，显示不允许装置。任务下达时间2014年6月9日设计完成时间2014年6月20日主要参考材料1、《模拟电子技术基础》（第四版）童诗白华成英主编。高等教育出版社2、常用电子电路280张延琪中国电力出版社辅导老师姓名彭利标教研室意见年月日5天津理工大学中环信息学院课程设计成绩评定表系别：电子信息工程系班级：12通信1班姓名：廖伟学号：评分项目及标准权值实际得分评价内容优秀标准设计选题能体现本专业培养目标，难度和工作量

3、较大，有较强的创新性。10说明书质量圆满完成任务书中各项要求，分析、计算、实验正确、严密；设计科学、先进；计算准确；图样绘制及技术要求符合国家标准；有较强的实用价值；对专业知识综合训练程度高；撰写规范。30独立工作能力及设计期间的表现能独立查阅文献以及从事其它形式的调研，能较好理解课题任务并提出实施方案，有分析整理各类信息，从中获得新知识的能力。40回答问题情况态度认真，作风严谨，刻苦钻研精神突出。遵守各项规章制度，无任何事故发生。回答问题准确、全面,概念清楚。10特色与综合素质设计说明书有很明显的特点或特色，学生的综合素质较高

4、。10指导老师得分合计本表附在课程设计任务书之后5444466711111111111212121313131415161718目录一概述·························································1设计目的······················································2设计要求······················································3设计原理与步骤···············

5、·································二各部分单元功能原理············································1功能单元以及功能解析··········································2红外线测试仪完成电路图········································三单元电路设计··················································1光电转换5············

6、··········································2脉冲计时······················································3锁存和清零脉冲的形成··········································4译码显示电路··················································四电路原理图与模拟仿真调试要点··································1电路原理图·

7、··················································2电路原理介绍·················································五电路仿真······················································1绘制电路图···················································2元件设置········································

8、·············3仿真结果·····················································5六所用仪器······················································