利用matlab编写的基于计算机声卡的虚拟仪器，含信号发生器、示波器和频率计，并利用matlab中guide可视化编程实现了界面操作。-Matlab prepared using computer sound card based virtual instrument, with the signal generator, oscilloscope and frequency meter, and use visual guide matlab programming in the interf

一个简单的图形用户界面，演示了从示波器如何检索和显示数据。-A simple graphical user interface, presentation on how to retrieve and display data from the oscilloscope.