Abstract

A numerical approach to line or wire antennas printed on dielectric materials is presented. The formulation is made using the method of moments, where the current on the line is expanded by piecewise sinusoidal functions. These functions are also used to form the impedance matrix elements. The numerical analyses based on this approach reveal the radiation characteristics of a bent dipole antenna, a loop antenna with perturbation elements, and an equiangular spiral antenna.

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