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1. Using Ultra-High Expansion Orders of Max-Ortho Basis Functions for Analysis of Axially Symmetric Metallic Antennas.

Author

Krneta, Aleksandra J. and Kolundzija, Branko M.

Subjects
*ELECTRIC field integral equations, *LEGENDRE'S polynomials, *MOMENTS method (Statistics), *GALERKIN methods, *ANTENNAS (Electronics), *ELECTRIC impedance
Abstract

Implementation of max-ortho basis functions is proposed in a method for analysis of axially symmetric metallic antennas based on exact kernel of electric field integral equation in combination with Galerkin testing. High-precision evaluation of matrix elements is enabled by: a) representing them as a linear combination of impedance integrals due to the Legendre polynomials and their first derivatives; b) using the singularity cancelation techniques; and c) evaluating the Legendre polynomials and their first derivatives by well-known recurrent formulas. Applicability of max-ortho bases up to expansion order of $n =128$ is illustrated on a full-wave thick dipole antenna. [ABSTRACT FROM AUTHOR]

Published
2018
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