数字示波器是数据采集，A/D转换，软件编程等一系列的技术制造出来的高性能示波器。显示效果不如模拟示波器，但是带宽大，功能丰富，已经成为测试的主流。-Digital oscilloscope is a data acquisition, A/D conversion, software programming, a series of technology to produce high performance oscilloscope. The display effect is not as