n many antenna systems the primary feed or the subreflector will most often be supported by struts which obstruct the aperture and therefore cause a reduction in the directivity and an increase in sidelobe levels. So as to be able to design new structures which avoid these drawbacks, the problem of plane wave scattering from an infinite axially periodic cylinder of arbitrary geometric and material parameters is analyzed by a hybrid finite element/boundary element method.
Hybrid finite element analysis of electromagnetic plane wave scattering from axially periodic cylindrical structures / A. Freni. - STAMPA. - 1:(1999), pp. 1-4. (Intervento presentato al convegno ICECOM'99, 15th International Conference on Applied Electromagnetics and Communications tenutosi a Dubrovnik, Croazia nel October 11 - 13, 1999).
Hybrid finite element analysis of electromagnetic plane wave scattering from axially periodic cylindrical structures
FRENI, ANGELO
1999
Abstract
n many antenna systems the primary feed or the subreflector will most often be supported by struts which obstruct the aperture and therefore cause a reduction in the directivity and an increase in sidelobe levels. So as to be able to design new structures which avoid these drawbacks, the problem of plane wave scattering from an infinite axially periodic cylinder of arbitrary geometric and material parameters is analyzed by a hybrid finite element/boundary element method.
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