基于声卡的虚拟仪器示波器，通过声卡进行数据采集，再由LABview显示波形

基于声卡的虚拟仪器示波器，通过声卡进行数据采集，再由LABview显示波形。(A virtual instrument oscilloscope based on sound card is used to collect data through a sound card, and then the waveform is displayed by LABview.)