By Tomislav Marinovic

This document is a brief technical description of the vector spherical harmonic expansion technique that has been developed as part of my PhD research on modeling of electromagnetic coupling in antenna arrays at KU Leuven in Belgium and Chalmers University of Technology in Sweden. The obtained results for a Hertzian dipole offset from the origin have been validated using FEKO, showing good agreement of computed spherical wave expansion (SWE) coefficients in terms of both the amplitude and phase.

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