Generalized Theory of Characteristic Modes

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The theory of characteristic modes (TCM) is presented for arbitrarily shaped 3-D structures including perfect electric conductors (PECs) and homogeneous penetrable objects. It is shown that by properly expressing the weighting operator of the generalized eigenvalue equation in terms of the integral operators related to the radiated fields, TCM can be formulated directly for the surface integral equation formulation of the problem. This avoids symmetrization or other modifications of the equations. The eigenvalues are shown to be related to radiated, reactive, and dissipated power, and the corresponding far-field patterns are orthogonal. The previously introduced TCM formulations for PEC are special cases of this generalized TCM.

Yksityiskohdat

AlkuperäiskieliEnglanti
Artikkeli8668452
Sivut3915-3923
Sivumäärä9
JulkaisuIEEE Transactions on Antennas and Propagation
Vuosikerta67
Numero6
Varhainen verkossa julkaisun päivämäärä2019
TilaJulkaistu - 1 kesäkuuta 2019
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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