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Electromagnetic scattering from a corrugated wedge

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4 Author(s)
Borgioli, A. ; Dept. of Electr. Eng., Florence Univ., Italy ; Coccioli, Roberto ; Pelosi, G. ; Volakis, J.L.

The scattering of a TE-polarized wave from a perfectly conducting wedge with one of its faces loaded with cavities is considered. The proposed formulation reduces the analysis of the original problem to two simpler configurations: one concerning the geometry of the corrugation (internal problem) and one concerning the geometry of the perfectly conducting wedge (external problem). By resorting to a suitable numerical technique, it is possible to account for arbitrarily shaped corrugations filled with inhomogeneous material. Numerical results demonstrate the validity of the technique and its applicability to general shape corrugations. The analysis of corrugated horns is considered and results are shown that demonstrate the flexibility of the procedure to analyze horns with arbitrarily shaped corrugations

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Antennas and Propagation, IEEE Transactions on  (Volume:45 ,  Issue: 8 )