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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v55.i9.20
8 pages

Characteristic and Reciprocal Conductivities of Slit Radiators on a Perfectly Conducting Sphere

Yu. M. Penkin
V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkov, 61077, Ukraine
R. I. Klimovich
National Pharmaceutics University of Kharkov 47, Pushkinskaya St., Kharkov, 61002, Ukraine

RESUMO

The conductivity of finite-size slit radiators presented on a perfectly conducting spherical surface have been found in terms of tensor magnetic Green's function. Expressions of both characteristic and reciprocal conductivities of short (compared to the working wavelength λ) circumferentially oriented slits was derived through approximating appropriate magnetic current distributions by a single cosinusoidal harmonic. The conductivities was numerically investigated as functions of slit length, sphere size, and slit separation. The resonant lengths of slit radiators determined for spheres with diameters 0.5...5 λ.


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