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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="other" 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">650518</article-id><article-id pub-id-type="doi">10.31857/S0033849423050170</article-id><article-id pub-id-type="edn">UIQOYK</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>АНТЕННО-ФИДЕРНЫЕ&#13;
СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>АНТЕННО-ФИДЕРНЫЕСИСТЕМЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">General Solution of the Problem of Synthesis of a Geodesic Lens with Central Symmetry and Dielectric Filling</article-title><trans-title-group xml:lang="ru"><trans-title>Общее решение задачи синтеза геодезической линзы с центральной симметрией и диэлектрическим заполнением</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Venetskiy</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Венецкий</surname><given-names>А. С.</given-names></name></name-alternatives><email>AVenetsky@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><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><email>vak@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Thang</surname><given-names>Chan Tran</given-names></name><name xml:lang="ru"><surname>Тханг</surname><given-names>Чан Тиен</given-names></name></name-alternatives><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 Radioengineering and Electronics, 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 (НИУ)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><volume>68</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>417</fpage><lpage>423</lpage><history><date date-type="received" iso-8601-date="2025-01-31"><day>31</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, А.С. Венецкий, В.А. Калошин, Чан Тиен Тханг</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, А.С. Венецкий, В.А. Калошин, Чан Тиен Тханг</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">А.С. Венецкий, В.А. Калошин, Чан Тиен Тханг</copyright-holder><copyright-holder xml:lang="ru">А.С. Венецкий, В.А. Калошин, Чан Тиен Тханг</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0033-8494/article/view/650518">https://innoscience.ru/0033-8494/article/view/650518</self-uri><abstract xml:lang="en"><p>A solution is obtained for the problem of synthesis of a metal–dielectric geodesic lens with central symmetry and, in the general case, inhomogeneous dielectric filling, which transforms the field of a point source into a given geometric optical field. By way of example using the obtained solution, the problems of synthesis of a geodesic lens antenna with layered and gradient dielectric filling are considered. In particular, solutions are obtained for lens antennas with in-phase output front and out-of-phase front that forms a tableshaped radiation pattern. The solutions are analyzed with the aid of numerical simulation using the finite element method.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324760640">Получено решение задачи синтеза металло-диэлектрической геодезической линзы с центральной симметрией и, в общем случае, неоднородным диэлектрическим заполнением, которая преобразует поле точечного источника в заданное геометрооптическое поле. В качестве примера использования полученного решения рассмотрены задачи синтеза геодезической линзовой антенны со слоистым и градиентным диэлектрическим заполнением. В частности, получены решения для линзовых антенн с синфазным выходным фронтом и несинфазным фронтом, формирующим диаграмму направленности столообразной формы. Путем численного моделирования методом конечных элементов проведен анализ полученных решений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>metal–dielectric geodesic lens</kwd><kwd>tableshaped radiation pattern</kwd><kwd>finite element method</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hong W., Jiang Z.H., Yu Ch. et al. // IEEE Trans. 2017. V. AP-65. № 12. P. 6231.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Quevedo-Teruel O., Ebrahimpouri M., Ghasemifard F. // IEEE Commun. Magazine. 2018. V. 56. № 7. P. 36.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Numan A.B., Frigon J.-F., Laurin J.-J. // IEEE Trans. 2018. V. AP-66. № 10. P. 5614.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Quevedo-Teruel O., Ebrahimpouri M., Kehn M.N. // IEEE Antennas Wireless Propagation Lett. 2016. V. 15. 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