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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">684746</article-id><article-id pub-id-type="doi">10.31857/S0033849424100036</article-id><article-id pub-id-type="edn">HQLRPA</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>АНТЕННО-ФИДЕРНЫЕ СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Dual-polarization ultra-wideband metal-dielectric horn feed</article-title><trans-title-group xml:lang="ru"><trans-title>Двухполяризационный сверхширополосный металлодиэлектрический рупорный облучатель</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kaloshin</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Калошин</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vak@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nguyen</surname><given-names>The Thanh</given-names></name><name xml:lang="ru"><surname>Нгуен</surname><given-names>Тхе Тхань</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vak@cplire.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kotelnikov Institute of Radio Engineering and Electronics of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт радиотехники и электроники им. В.А. Котельникова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Moscow Institute of Physics and Technology (National Research University)</institution></aff><aff><institution xml:lang="ru">Московский физико-технический институт (Национальный исследовательский университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-10-14" publication-format="electronic"><day>14</day><month>10</month><year>2024</year></pub-date><volume>69</volume><issue>10</issue><fpage>954</fpage><lpage>959</lpage><history><date date-type="received" iso-8601-date="2025-06-16"><day>16</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0033-8494/article/view/684746">https://innoscience.ru/0033-8494/article/view/684746</self-uri><abstract xml:lang="en"><p>A dual-polarization ultra-wideband feed in the form of a metal four-ridge conical horn with a conical two-layer dielectric insert is proposed and investigated. Electrodynamic modeling and optimization of the transition parameters are carried out using finite element and finite difference methods in the time domain. It is shown that the proposed feed provides matching below the level of -10 dB in the frequency band of 6...40 GHz and the efficiency of a single-mirror offset system of more than 0.5 in the frequency band of 6...30 GHz.</p></abstract><trans-abstract xml:lang="ru"><p>Предложен и исследован двухполяризационный сверхширокополосный облучатель в виде металлического четыхреберного конического рупора с конической двухслойной диэлектрической вставкой. Электродинамическое моделирование и оптимизация параметров перехода проведены с использованием методов конечных элементов и конечных разностей во временной области. Показано, что предложенный облучатель обеспечивает согласование ниже уровня –10 дБ в полосе частот 6…40 ГГц и коэффициент использования поверхности однозеркальной офсетной системы более 0.5 в полосе частот 6…30 ГГц.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ultra-wideband feed</kwd><kwd>metal-dielectric horn</kwd><kwd>four- ridge horn</kwd><kwd>parameter optimization</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сверхширокополосный облучатель</kwd><kwd>металлодиэлектрический рупор</kwd><kwd>четырехреберный рупор</kwd><kwd>оптимизация параметров</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Akgiray A., Weinreb S., Imbriale W. //Proc. 2011 IEEE Int. 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