L Jelinek, M Capek - IEEE Transactions on Antennas and …, 2016 - ieeexplore.ieee.org
An optimization problem has been formulated to find a resonant current extremizing various antenna parameters. The method is presented on, but not limited to, particular cases of gain …
M Gustafsson, M Capek - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
Fundamental bounds on antenna gain are found via convex optimization of the current density in a prescribed region. Various constraints are considered, including self-resonance …
Antenna current optimization is a tool that offers many possibilities in antenna technology. Optimal currents are determined in the antenna design region and used for physical …
For nearly a century, the concept of needle radiation has captured the attention of the electromagnetics communities in both physics and engineering, with various types of …
RW Ziolkowski - IEEE Open Journal of Antennas and …, 2021 - ieeexplore.ieee.org
Multipole expansions are an essential analysis tool in the foundations of the descriptions of the electromagnetic fields radiated by electric and magnetic sources. Nevertheless, practical …
Interference phenomena allow tailoring propagation of electromagnetic waves by controlling phases of several scattering channels. Huygens element, being a representative example of …
This paper revisit and extend the interesting case of bounds on the Q-factor for a given directivity for a small antenna of arbitrary shape. A higher directivity in a small antenna is …
The subject of antenna design, primarily a discipline within electrical en-neering, is devoted to the manipulation of structural elements of and/or the electrical currents present on a …
G Fikioris - IEEE Transactions on Antennas and Propagation, 2006 - ieeexplore.ieee.org
The method of auxiliary sources (MAS) is often applied to problems involving an externally illuminated, smooth, perfect electric conductor (PEC). One seeks to approximately satisfy the …