Properly reshape scattering matrices and move to beginning, so that later steps can rely on these properly shaped arrays.  Account for negative S_bkwd[0,0] value in Forward Scattering Alignment (FSA).
Properly reshape scattering matrices and move to beginning, so that later steps can rely on these properly shaped arrays.  Account for negative S_bkwd[0,0] value in Forward Scattering Alignment (FSA).

dopplershift/Scattering