Radiation characteristics of offset reflector antenna excited by combined antenna array | Izvestiya vuzov. Fizika. 2019. № 7. DOI: 10.17223/00213411/62/7/111

Radiation characteristics of offset reflector antenna excited by combined antenna array

The paper presents the results of numerical simulation of an ultrawideband hybrid antenna. The antenna consists of an offset reflector and a 2´2 array of orthogonally arranged combined antennas optimized for excitation by bipolar voltage pulses of the duration 0.5 ns with the central frequency of 2 GHz. The antenna is optimized for a high-power source of ultrawideband radiation. Polarization characteristics of radiation for two modes are studied numerically at the frequency of 2 GHz. In the first mode, wave beams with linear orthogonal polarizations are formed in-series. In the second mode, a wave beam with elliptic polarization of the field is formed. The possibility to control the direction of the maximum radiation in two mutually perpendicular directions within the width of the diagram is shown.

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Keywords

hybrid antenna, array, combined antenna, offset reflector, гибридная антенна, ultrawideband radiation, решетка, комбинированная антенна, сверхширокополосное излучение, офсетный отражатель

Authors

NameOrganizationE-mail
Buyanov Yu.I.Institute of High Current Electronics SB RASyurbuy@yandex.ru
Balzovsky E.V.Institute of High Current Electronics SB RASbev@lhfe.hcei.tsc.ru
Koshelev V.I.Institute of High Current Electronics SB RASkoshelev@lhfe.hcei.tsc.ru
Nekrasov E.S.Institute of High Current Electronics SB RASa001sd@gmail.com
Всего: 4

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 Radiation characteristics of offset reflector antenna excited by combined antenna array | Izvestiya vuzov. Fizika. 2019. № 7. DOI: 10.17223/00213411/62/7/111

Radiation characteristics of offset reflector antenna excited by combined antenna array | Izvestiya vuzov. Fizika. 2019. № 7. DOI: 10.17223/00213411/62/7/111

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