基于单片机和MATLAB混合编程的简易示波器的设计与实现  

Design and Implementation of Simple Oscilloscope Based on C8051f020 and MATLAB

作　　者：于海洋[1] 杨卫[1] 鲜浩[1] 刘俊[1] 

机构地区：[1]中北大学电子测试技术国防重点实验室,山西太原030051

出　　处：《核电子学与探测技术》2011年第12期1391-1393,1410,共4页Nuclear Electronics & Detection Technology

基　　金：国家自然科学基金资助(50675213)

摘　　要：针对当前常用示波器不能实时显示某些波形的特定特征值,介绍了一种充分运用单片机和MATLAB的混合编程优势,根据特定要求实时分析显示特征值的方法。由单片机将外部信号模拟量转换为数字量,经单片机串口发送给计算机上的MATLAB实时分析显示。利用MATLAB强大的数据处理功能,能迅速处理采集到的波形数据,实时显示[1]。实验表明,与传统的示波器相比,本文介绍的简易示波器具有简单易行、根据需要处理波形、实时显示结果等明显优点,并且能够根据实际需要修改参数实现性能和精度等的优化,灵活易用,具有很强的实用价值。The paper introduces the design and implementation of simple oscilloscope based on C8051f020 and MATLAB.In working the system collected analog signal which was converted to digital by the microcontroller,then serial port of the microcontroller real-timely transmitted to matlab on the computer which displayed the results with a plot function.Through software programming the system realizes signal measurement and display functions.Experimental results show that the use of the oscilloscope designed in the paper is reliable and easy to expand functionality as needed.Compared with traditional oscilloscopes,the article describes a simple oscil-loscope which is flexible,easy to control,processing data as needed,real-time display.

关 键 词：MATLAB 示波器 C8051F020 

分 类 号：TP31[自动化与计算机技术—计算机软件与理论]