Electromagnetic wave scattering by two rectangular troughs on a ground plane - H polarization case

Electromagnetic wave scattering by two rectangular troughs on a conducting ground plane, which is the simplest trough-grating geometry, is rigorously analyzed using the Kobayashi potential method. The formulation is extended and derived here for the H polarization case. By using the derived far field solution, numerical calculations of scattering patterns have been done and the disparity between E and H polarizations has been also discussed. Here the time harmonic factor e/sup -i/spl omega/t/ is assumed and suppressed throughout the context.