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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">radioelectronics</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений России. Радиоэлектроника</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of the Russian Universities. Radioelectronics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1993-8985</issn><issn pub-type="epub">2658-4794</issn><publisher><publisher-name>Saint Petersburg Electrotechnical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32603/1993-8985-2019-22-4-45-52</article-id><article-id custom-type="elpub" pub-id-type="custom">radioelectronics-353</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLE</subject></subj-group></article-categories><title-group><article-title>Синтез направленного излучателя в диапазоне 0.9…5.8 ГГц</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis of a Radiator in the Frequency Range of 0.9…5.8 GHz</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литовский</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Litovsky</surname><given-names>Ilya A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер-электроник</p></bio><bio xml:lang="en"><p>Postgraduate student of the Department of Bionics and Statistical Radiophysics of Lobachevsky University of Nizhny Novgorod. Electronic Engineer at PJSC «NPO" Almaz "»</p></bio><email xlink:type="simple">litovskii@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5707-0806</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маврычев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mavrychev</surname><given-names>Evgeny A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук (2003), доцент (2012) кафедры информационных радиосистем</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engineering) (2003), Associate Professor (2012) on the Department of Information Radio Systems</p></bio><email xlink:type="simple">mavrychev.eugene@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Нижегородский государственный университет им. Н. И. Лобачевского;&#13;
ПАО «НПО "Алмаз"»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lobachevsky State University of Nizhny Novgorod;&#13;
PJSC «NPO" Almaz "»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Нижегородский государственный технический университет им. Р. Е. Алексеева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nizhny Novgorod State Technical University n.a. R.E. Alekseev</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>01</day><month>10</month><year>2019</year></pub-date><volume>22</volume><issue>4</issue><fpage>45</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Литовский И.А., Маврычев Е.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Литовский И.А., Маврычев Е.А.</copyright-holder><copyright-holder xml:lang="en">Litovsky I.A., Mavrychev E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://re.eltech.ru/jour/article/view/353">https://re.eltech.ru/jour/article/view/353</self-uri><abstract><sec><title>Введение</title><p>Введение. Рассмотрена проблема синтеза направленного излучателя с 50-омным портом на входе, в частотном диапазоне 0.9…5.8 ГГц. Данный диапазон на сегодняшний день является наиболее актуальным для анализа электромагнитной обстановки, так как в этой полосе частот наиболее часто реализуется обмен информацией с бортовой аппаратурой беспилотных летательных аппаратов.</p></sec><sec><title>Цель работы</title><p> Цель работы. Синтез направленного широкополосного излучателя в частотном диапазоне 0.9…5.8 ГГц.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Для синтеза широкополосного излучателя используется метод конечных элементов при электродинамическом моделировании в программном средстве HFSS. Характеристики излучателя, оптимизированные на электродинамической модели, подтверждаются с помощью натурных экспериментов на макете излучателя. Измерения диаграммы направленности, проводимые в безэховой камере, и коэффициента стоячей волны (КСВ) осуществляются с помощью анализатора цепей.</p></sec><sec><title>Результаты</title><p> Результаты. Предложен неаналитический метод параметрической оптимизации модели по критерию КСВ &lt; 2 удобный для применения в средствах электродинамического моделирования (HFSS, CST, FEKO и др.). Приведены эскизы разработанной оптимизированной модели с указанием итоговых значений всех геометрических параметров излучателя. Представлены снимки расчетного распределения электрического поля на полотне антенны, расчетные диаграммы направленности на крайних частотных точках рабочего диапазона (0.9 ГГц…5.8 ГГц), расчетный КСВ модели. Полученные результаты дают представление об основных характеристиках синтезируемой антенны. По результатам моделирования и параметрической оптимизации геометрии излучателя изготовлен макет антенны. Приведены измеренные главные сечения диаграммы направленности и КСВ макета.</p></sec><sec><title>Заключение</title><p>Заключение. В результате представленного исследования разработана модель широкополосного излучателя в диапазоне 0.9…5.8 ГГц, проведено макетирование и краткий сравнительный анализ расчетных и измеренных характеристик антенны, демонстрирующий хорошее совпадение расчетных и измеренных диаграмм направленности и зависимостей КСВ от рабочей частоты. Описаны преимущества предложенного метода и самой модели излучателя. Результаты работы актуальны в задачах наблюдения, пеленгации и приема сигналов от беспилотных летательных аппаратов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. In this work, we consider the problem of a radiator synthesis with the 50-Ohm port at the input in the frequency range of 0.9…5.8 GHz. At present, this frequency range is the most relevant for the electromagnetic environment analysis due to information exchange with the on-board equipment of unmanned aerial vehicles is most often realized in this frequency range.</p></sec><sec><title>Objective</title><p>Objective. The main objective of this work is the synthesis of a radiator for an ultra-wideband antenna array in the frequency range of 0.9…5.8 GHz.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In this work, the method of full-wave electromagnetic simulation is used for the broadband radiator synthesis. The characteristics of the radiator are optimized by simulation and confirmed by experimental investigations of the radiator model. The antenna radiation pattern measurements are carried out in the anechoic chamber and standing wave ratio (SWR) is calculated by using the network analyzer.</p></sec><sec><title>Results</title><p>Results. A non-analytical method of the model parametric optimization considering the SWR&lt;2 criterion and using the latest tools of the full-wave electromagnetic simulation is proposed. The examples of the designed optimized model with the final values of all parameters are reported. The calculated distributions of the electric field over the antenna, calculated radiation patterns at several frequency points, and calculated SWR of the model are presented. The radiator model is made taking into account simulation and optimization results. The measured main cross-sections of the radiation pattern and SWR of the model are shown. Conclusion. In the present work, the broadband radiator model in the frequency range of 0.9…5.8 GHz is designed. The machining and brief comparative analysis of the calculated and measured antenna characteristics is carried out and demonstrated a good agreement. The advantages of the proposed method and designed radiator model are described. The results of this work are relevant in the tasks of observation, direction finding and signals reception from unmanned aerial vehicles. Key words: ultra-wideband antenna, Vivaldi antenna, microwave range, full-wave electromagnetic simulation&gt;&lt;2 criterion and using the latest tools of the full-wave electromagnetic simulation is proposed. The examples of the designed optimized model with the final values of all parameters are reported. The calculated distributions of the electric field over the antenna, calculated radiation patterns at several frequency points, and calculated SWR of the model are presented. The radiator model is made taking into account simulation and optimization results. The measured main cross-sections of the radiation pattern and SWR of the model are shown.</p></sec><sec><title>Conclusion</title><p>Conclusion. In the present work, the broadband radiator model in the frequency range of 0.9…5.8 GHz is designed. The machining and brief comparative analysis of the calculated and measured antenna characteristics is carried out and demonstrated a good agreement. The advantages of the proposed method and designed radiator model are described. The results of this work are relevant in the tasks of observation, direction finding and signals reception from unmanned aerial vehicles.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сверхширокополосная антенна</kwd><kwd>антенна Вивальди</kwd><kwd>СВЧ-диапазон</kwd><kwd>электродинамическое моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ultra-wideband antenna</kwd><kwd>Vivaldi antenna</kwd><kwd>microwave range</kwd><kwd>full-wave electromagnetic simulation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Yang L., Giannakis G. B. Ultra-Wideband Communications. 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