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10 items by relevance
1 Conference paper

Electrically Small Magnetic Dipole Antennas with Magnetic Core

Kim, Oleksiy S.; Breinbjerg, Olav

Proceedings of the 4th European Conference on Antennas and Propagation — 2010, pp. 1-4

This work extends the theory of a spherical magnetic dipole antenna with magnetic core by numerical results for practical antenna configurations that excite higher-order modes besides the main TE10 spherical mode. The multiarm spherical helix (MSH) and the spherical split ring (SSR) antennas

Year: 2010

Language: English

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2 Conference paper

Quality factor of an electrically small magnetic dipole antenna with magneto-dielectric core

Kim, Oleksiy S.; Breinbjerg, Olav

2010 Ursi International Symposium on Electromagnetic Theory — 2010, pp. 857-858

In this work, we investigate the radiation Q of electrically small magnetic dipole antennas with magneto-dielectric core versus the antenna electrical size, permittivity and permeability of the core. The investigation is based on the exact theory for a spherical magnetic dipole antenna

Year: 2010

Language: English

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3 Journal article

Lower Bound for the Radiation $Q$ of Electrically Small Magnetic Dipole Antennas With Solid Magnetodielectric Core

Kim, Oleksiy S.; Breinbjerg, Olav

I E E E Transactions on Antennas and Propagation — 2011, Volume 59, Issue 2, pp. 679-681

A new lower bound for the radiation $Q$ of electrically small spherical magnetic dipole antennas with solid magnetodielectric core is derived in closed form using the exact theory. The new bound approaches the Chu lower bound from above as the antenna electrical size decreases. For $ka, the new

Year: 2011

Language: English

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