Radiation from a small spheroidal antenna with plasma shell
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We construct and study an analytical solution of the boundary-value problem for the radiation field of a small spheroidal antenna located in free space and surrounded by a thin shell of cold homogeneous isotropic plasma. Conditions for a resonant increase in the field in free space as a function of the plasma-shell thickness with the variation in the spheroidal-antenna shape are studied. It is shown that the plasma shell has the largest effect on the radiation field of a strongly prolate spheroidal antenna.
KeywordsResonant Frequency Dielectric Permittivity Prolate Current Resonance Oblate Spheroid
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