% nx = number of traces at z =0 along flat recording plane % DP (x,z=0,t) = time derivative of pressure field trace at (x,0) % c = 1/2 the actualy velocity % (dt,dx,dz) = sample intervals in time, offset and dept. % For x = 1:nx For z = 2:nz xx =x*dx; zz = Z*dz; for it race = 1:nx r2 = ((xx-dx*itrace)^2+ zz^2); t = sqrt (r2)/(c*dt); costheta = z/r2; M(x,z) = DP (itrace,0,t)*costheta + M(x,z); End End End M = M/c;
% nx = number of traces at z =0 along flat recording plane% DP
(x,z=0,t) = time derivative of pressure field trace at (x,0)% c =
1/2 the actualy velocity % (dt,dx,dz) = sample intervals in time,
offset and dept.%For x = 1:nxFor z = 2:nzxx =x*dx;zz = Z*dz;for it
race = 1:nxr2 = ((xx-dx*itrace)^2+ zz^2);t = sqrt
(r2)/(c*dt);costheta = z/r2;M(x,z) = DP (itrace,0,t)*costheta +
M(x,z);EndEndEnd M = M/c;
