Browsing by Subject "Equivalence theorem"

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    Windowed equivalence principle for open surfaces
    (IEEE, 2013) Takrimi, Manouchehr; Gürel, Levent
    We introduce a modified current expansion scheme over open surfaces based on the equivalence theorem, which employs closed surfaces, in principle. Weighting the expansion coefficients with a suitable window function compensates for the computed field errors that occur because of the open surfaces. Numerical simulations demonstrate that the equivalent surface currents expanded with low-ordered basis functions on an open surface and weighted by suitable functions can be used to obtain the correct electromagnetic fields in a limited volume near the surface.