Program sffbgabor | Gabor transform by linear phase filter bank 
[SYNOPSIS]
sffbgabor < in.rsf > out.rsf sigma=1.0 nf=100
[PARAMETERS]
int     | nf | =100 |   | 	frequency samples [0, 0.5] 
float   | sigma | =1.0 |   | 	sigma 
[DIRECTORY]
user/chen
