Virtual instrument laboratory based on WWW is developed by author. It is used to help student to learn the function of variety of instrument, and be familiar with sorts of signal processing method, so change the laboratory teaching mode based mainly on theory. 开发的一个基于WWW的虚拟仪器实验室,主要是帮助学生通过网络来学习各种仪器的功能,熟悉各种信号处理的方法,从而改变以理论为主的实验教学模式。