Program sfenvelope | None
[SYNOPSIS]
sfenvelope < in.rsf > out.rsf order=100 ref=1. hilb=n phase=90.
[PARAMETERS]
bool    | hilb | =n |  [y/n] | 	if y, compute Hilbert transform 
int     | order | =100 |   | 	Hilbert transformer order 
float   | phase | =90. |   | 	phase shift (in degrees) to use with hilb=y 
float   | ref | =1. |   | 	Hilbert transformer reference (0.5 < ref <= 1) 
[DIRECTORY]
system/seismic
