红外光通信装置的设计毕业论文

摘  要

本设计主要研究了语音信号的红外转发和接收原理，并阐述了红外转发器的组成及工作原理和红外语音通信的过程。同时，采用分时复用的方法，传输模拟红外信号的过程中，快速传输数字信号，实现数字温度的红外传输与显示。本设计是以模拟通信和数字通信综合实现的一种红外语音通信装置，模拟通信主要负责语音信号的传输，而数字通信则通过单片89C51实现温度的传输，并用数码管显示出来。实践效果非常好。

关键词：语音；红外转发；模拟通信；数字通信ABSTRACTThis design mainly studies the infrared voice signal forward and receive principle, and expounds the composition and working principle of the infrared transponder and infrared voice communication process. At the same time, using the method of time-sharing multiplexing transmission simulation in the process of infrared signal, digital signal transmission quickly, the infrared transmission and realization of digital temperature display.This design is based on analog communication and digital communication comprehensive implementation of an infrared voice communication device, communication is mainly responsible for speech signal transmission, and digital communication by single-chip 89 c51 to realize the transmission of temperature, and the digital tube display. Practical effect is very good.

Key words:Speech sound;Infrared forward;Analog communication;Digital communication目  录

第一章 方案设计与论证 11.1 方案一 51单片机红外转发原理 11.2 方案二 利用CD40106实现语音红外传输 21.3 方案三 利用三极管调试实现语音红外传输 31.4 方案的论证与选定 4第二章 电路设计 52.1 系统原理图 52.2 发射模块设计 62.3 接收模块设计 72.4 指示灯模块设计 82.5 温度传感模块 82.6 红外编码解码原理 9第三章 测试方法与测试结果 123.1 测试仪器 123.2 测试方法与技巧 123.3 电路测试及测试结果 12参考文献 14附录 15致谢 43