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

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v78.i7.20
pages 569-578

RADIATION PROPERTIES OF HETEROGENEOUS ANTENNA ARRAY

M. V. Shcherbakov
Co Ltd "Svyazenergoservis", 7/8 Zakhysnykiv Ukrainy Sq., Kharkiv, 61001, Ukraine
G. I. Khlopov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
O. A. Voitovych
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. N. Pehota
Co Ltd "Svyazenergoservis", 7/8 Zakhysnykiv Ukrainy Sq., Kharkiv, 61001, Ukraine
S. V. Myroniuk
State Design Office "Yuzhnoye", 3 Kryvorizhska St., Dnipro, 49008, Ukraine
V. D. Pavlenko
State Design Office "Yuzhnoye", 3 Kryvorizhska St., Dnipro, 49008, Ukraine
A. V. Ovcharov
State Design Office "Yuzhnoye", 3 Kryvorizhska St., Dnipro, 49008, Ukraine

RÉSUMÉ

The construction of the antenna array of heterogeneous aperture radiators based on sectorial horn antennas of the Ka-band with different aperture dimensions exceeding the wavelength has been originally proposed. Solution results of the optimization problem showed that use of radiating elements with unequal rectangular aperture dimensions arranged in the form of concentric "rings" on the antenna array aperture provides the formation of a narrow beam pattern and suppression of the diffraction lobes at the edges of the scan sector to a level of –17 dB, when the amplification coefficient is reduced by no more than 1 dB. The proposed antenna system was designed for electrical scanning with a needle-shaped beam in orthogonal planes.

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