一种基于 Matlab 的 gui 波形发生器。只需运行文件, 并定义参数, 如频率, 周期数和波形类型 (sin, cos, pwm 等), 然后单击开始。(A Matlab gui based waveform generator. Simply run the file, and define parameters like frequency, number of cycles and type of waveform (sine,cos,pwm etc) then click START.)