自己用Labwindows/CVI写的频谱分析仪例子程序，对开发示波器一类虚拟仪器的同学很有用。-Own use Labwindows/CVI examples of written procedures for the spectrum analyzer, oscilloscope on the development of students for a class of virtual instrument is useful.

Proteus VSM includes a number of virtual instruments including an Oscilloscope, Logic Analyser, Function Generator, Pattern Generator, Counter Timer and Virtual Terminal as well as simple voltmeters and ammeters.

Proteus VSM includes a number of virtual instruments including an Oscilloscope, Logic Analyser, Function Generator, Pattern Generator, Counter Timer and Virtual Terminal as well as simple voltmeters and ammeters.

Proteus VSM includes a number of virtual instruments including an Oscilloscope, Logic Analyser, Function Generator, Pattern Generator, Counter Timer and Virtual Terminal as well as simple voltmeters and ammeters.