function [D_out] = cvnmo(D_in,offset,dt,v,conj);   [nt,nh]=size(D_in); D_out=zeros(nt,nh); t0 =  d=sqrt( ((n-1)*dt).^2+(offset(k)/v)^2); nn=floor(d/dt)+1; if conj == 1;     for kk=1:nt   if nn(kk)<nt; D_out(n(kk),k) = D_in(nn(kk),k);end;  end  endif conj ==-1;     for kk=1:nt   if nn(kk)<nt; D_out(nn(kk),k) = D_in(n(kk),k);end;  end end end return