function combined_data = fn_combine_fe_and_expt(fe_data, expt_data, signal_scaling)
%Combines FE data (nz, nx, nv) with expt (nz, nx, nv, nr). 
combined_data = repmat(fe_data, [1,1,1,size(expt_data, 4)]) * signal_scaling + expt_data;
end
