b'\n \n \n
 
\n  
sftrapepass (4.0)
index
user/chenyk/Mtrapepass.c
\n Trapezoid bandpass filter in the frequency domain. \n

\n \n \n \n \n \n
 
\n Synopsis
       sftrapepass < in.rsf > out.rsf
f1, f2, f3, f4 correspond to four key points of the trapezoid bandpass filter.'