Browsing by Subject "Dyadic Green's function"

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    Scattering from an impedance object at the edge of a perfectly conducting wedge
    (Institute of Electrical and Electronics Engineers, 2014-02) Ghassemiparvin, B.; Altintas, A.
    In this study, scattering from impedance bodies positioned at the edge of a perfectly electrically conducting wedge is investigated. In the treatment of the problem, eigenfunction expansion in terms of spherical vector wave functions is employed. A complete dyadic Green's function for the spherical impedance boss at the edge is developed. It is observed that the scattering is highly enhanced by the edge guided waves. Additionally, using T-matrix method, the solution is extended to the general case of irregularly shaped scatterers. The T-matrix solution is verified by applying it to the case of a spherical scatterer and results are compared with the dyadic Green's function solution. © 2013 IEEE.