File list (Check if you may need any files):
fwy_bandpass\AF_H.m
............\AF_H_R.m
............\DF_H.m
............\fwy_bandpassfilter.m
............\IR014_2.mat
............\main_real_signal.m
............\main_sawtooth.m
............\main_sin.m
............\main_square.m
............\实测信号\1.png
............\........\2.png
............\........\3.png
............\方波\1.png
............\....\2.png
............\....\3.png
............\正弦波\1.png
............\......\2.png
............\......\3.png
............\锯齿波\1.png
............\......\2.png
............\......\3.png
............\实测信号
............\方波
............\正弦波
............\锯齿波
fwy_bandpass