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Antenna array

Complex directional antenna consists of separate near-omnidirectional antennas (radiating elements) positioned in the space and driven by high-frequency …

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The limit value of the directivity factor of the antenna located in a lossy medium

Published: 12/21/2005
Language: russian
Original: Radio engineering and electronics (Moscow), 1985, №3, p.p.427…433
© Y. N. Feld, 1985. All rights reserved.

It is shown that the directivity factor of the antenna located in a lossy medium is limited and its maximum value is finite.

Y. N. Feld's other publications

Variational methods for problems of wave dispersion

Scattering of electromagnetic waves by mirror antennas

About minimizing the integral diameter of dispersion of aperture antennas

Diffraction of electromagnetic waves on a non–Rayleigh bodies with zero and impedance boundary conditions

Boundary value problems and diffraction of waves at surfaces with a variable admittance

Current synthesis on open surfaces using the given directional diagram

Scattering of electromagnetic waves by antennas (overview)

Scattering of waves on perfect conductors and impedance bodies

About the maximum power that is drown by the antenna in a lossy medium

About the power, drawn by the receiving antenna from the incident field

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Generalized method of successive reflections in the theory of finite antenna arrays

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