说明：  本程序的功能是产生带有噪声的波形图像，通过加窗，滤波器来去除噪声，该程序可以根据用户需求自行选择波形的频率和振幅，运行结果明显
(This procedure is generated with the function of the noise waveform images, by the addition of windows, filter to remove noise, the program can be based on user needs to choose the waveform frequency and amplitude, the results clearly)