sfffd2dehf (2.0-git)
index
user/songxl/Mffd2dehf.c
2-D Fourier finite-difference wave extrapolation, smooth point source, depress high frequency

 
Synopsis
        sfffd2dehf > out.rsf vel=vel.rsf < source.rsf opt=y dt= nt= isx= isz= nbt=44 nbb=44 nbl=44 nbr=44 ct=0.01 cb=0.01 cl=0.01 cr=0.01 ax=5.0 az=5.0 factor=5.0/6.0

 
Parameters
       
 
float ax=5.0
suppress HF parameter
 
float az=5.0
suppress HF parameter
 
float cb=0.01
decaying parameter
 
float cl=0.01
decaying parameter
 
float cr=0.01
decaying parameter
 
float ct=0.01
decaying parameter
 
float dt=

 
float factor=5.0/6.0
suppress HF parameter
 
int isx=

 
int isz=

 
int nbb=44

 
int nbl=44

 
int nbr=44

 
int nbt=44

 
int nt=

 
bool opt=y [y/n]
if y, determine optimal size for efficiency
 
file vel=
auxiliary input file name

 
Used In
       

 
TCCS
        ffd/bpmodel
ffd/ffd