此文件夹有高通滤波，低通滤波，带通滤波，带阻滤波，三角信号发生器，正弦信号发生器，三角波发生器，三角波转换成余弦，等等tina的源程序，适合广大爱好者！-This folder has a high pass filter, low pass filter, band-pass filtering, band stop filtering, triangular signal generator, sine wave generator, triangle wave generator, triangle wave into a cosine, so tina source for the majority of fans !