SUIMP2D - generate shot records for a line scatterer
embedded in three dimensions using the Born
integral equation ",
suimp2d [optional parameters] >stdout
Optional parameters
nshot=1 number of shots
nrec=1 number of receivers
c=5000 speed
dt=.004 sampling rate
nt=256 number of samples
x0=1000 point scatterer location
z0=1000 point scatterer location
sxmin=0 first shot location
szmin=0 first shot location
gxmin=0 first receiver location
gzmin=0 first receiver location
dsx=100 x-step in shot location
dsz=0 z-step in shot location
dgx=100 x-step in receiver location
dgz=0 z-step in receiver location
Example:
suimp2d nrec=32 | sufilter | supswigp | ...
Credits:
CWP: Norm Bleistein, Jack K. Cohen
Theory: Use the 3D Born integral equation (e.g., Geophysics,
v51, n8, p1554(7)). Use 2-D delta function for alpha and do
remaining y-integral by stationary phase.
Note: Setting a 2D offset in a single offset field beats the
hell out of us. We did _something_.
Trace header fields set: ns, dt, tracl, tracr, fldr, sx, selev,
gx, gelev, offset