shiyan
......\dft100.fig
......\dft100.m
......\dft200.fig
......\dft200.m
......\dft2001.fig
......\dft2001.m
......\dtft.fig
......\dtft.m
......\impulse.fig
......\impulse.m
......\index.fig
......\index.m
......\pra.fig
......\pra.m
......\rect.fig
......\rect.m
......\shift.fig
......\shift.m
......\sin.fig
......\sin.m
......\sub.fig
......\sub.m
......\sum.fig
......\sum.m
......\u.fig
......\u.m