虚拟数字示波器主要由软件控制完成信号的采集、处理和显示。系统软件总体上包括数据采集、波形显示、参数测量、频谱分析及波形存储和回放等五大模块。-Virtual Digital Oscilloscope complete the acquisition signals controlled by software, processing and display. System software, including the overall data acquisition, waveform dis