这是我初学习绘制任意波形（如正弦波）时所学习的一个程序，很难得，界面美观，以及后续的数据处理，望大家深入研究。-Print the oscilloscope waveform at the beginning of this is my learning to draw arbitrary waveform (such as sine wave) learning by a program that is very rare, interface aesthetics, and subseque