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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2018-45-3-76-84</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-592</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>ТЕХНИЧЕСКИЕ НАУКИ. ИНФОРМАТИКА, ВЫЧИСЛИТЕЛЬНАЯ ТЕХНИКА И УПРАВЛЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCE. COMPUTER SCIENCE, COMPUTER ENGINEERING AND MANAGEMENT</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ ТОПОЛОГИИ АНТЕННЫ ВИВАЛЬДИ С ЗЕРКАЛЬНЫМ РАСПОЛОЖЕНИЕМ ЛЕПЕСТКОВ</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF THE TOPOLOGY OF THE VIVALDI ANTENNA WITH A MIRROR ARRANGEMENT OF THE PETALS</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>Асланов</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Aslanov</surname><given-names>T. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>367026, г. Махачкала, пр. Имама Шамиля, 70.</p><p>Асланов Тагирбек Гайдарбекович – кандидат технических наук, докторант.</p></bio><bio xml:lang="en"><p>70 I. Shamilya Ave., Makhachkala 367026.</p><p>Tagirbek G. Aslanov – Cand. Sci. (Technical), Doctoral cand., Department «Management and Informatics in Technical Systems and Computer Engineering».</p></bio><email xlink:type="simple">tabasik@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ибрагимов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ibragimov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>367026, г. Махачкала, пр. Имама Шамиля, 70.</p><p>Ибрагимов Султансаид Абдуллагаджиевич – аспирант.</p></bio><bio xml:lang="en"><p>70 I. Shamilya Ave., Makhachkala 367026.</p><p>Syltansaid A. Ibragimov – Postgraduate student.</p></bio><email xlink:type="simple">syltansaid@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Дагестанский государственный технический университет.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Daghestan State Technical University.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>12</day><month>05</month><year>2019</year></pub-date><volume>45</volume><issue>3</issue><fpage>76</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Асланов Т.Г., Ибрагимов С.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Асланов Т.Г., Ибрагимов С.А.</copyright-holder><copyright-holder xml:lang="en">Aslanov T.G., Ibragimov S.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://vestnik.dgtu.ru/jour/article/view/592">https://vestnik.dgtu.ru/jour/article/view/592</self-uri><abstract><sec><title>Цель</title><p>Цель. В работе рассмотрены вопросы исследования топологии антенны Вивальди с зеркальным расположением лепестков.</p></sec><sec><title>Метод</title><p>Метод. Путем моделирования в программной среде CST MicroWave Studio проведен сбор необходимых данных, в частности, зависимости ширины диаграммы направленности от кривизны и раскрыва (расстояние от середины верхней части антенны до самого лепестка) лепестков антенны.</p></sec><sec><title>Результат</title><p>Результат. Построены графики зависимости кривизны лепестков и величины раскрыва от ширины диаграммы направленности в двух плоскостях для различных частот. Проведена аппроксимация полученных зависимостей для двух плоскостей θ = 900 (плоскость антенны) и φ = 00 (плоскость, перпендикулярная плоскости антенны). Путем аппроксимации получены аналитические описания зависимостей ширины диаграммы направленности от кривизны и расскрыва лепестков антенны. Проведен анализ поведения кривых зависимостей кривизны и раскрыва лепестков антенны от ширины диаграммы направленности при переходе от одной частоты к другой. Исследована зависимость коэффициента стоячей волны (КСВ) антенны от толщины подложки антенны – тефлона. Исследована зависимость полосы рабочих частот от размеров самой антенны.</p></sec><sec><title>Вывод</title><p>Вывод. Составлена математическая модель, позволяющая в зависимости от заданной частоты и ширины диаграммы направленности, получить необходимую топологию лепестков антенны. Решены задачи построения и оптимизации модели по заданным характеристикам. Выявлены зависимости топологии антенны от ширины диаграммы направленности и от диапазона частот.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objectives</title><p>Objectives. In work questions of a research of topology of the antenna of Vivaldi with a mirror arrangement of petals are considered.</p></sec><sec><title>Method</title><p>Method. By modeling in the program CST MicroWave Studio environment collecting necessary data, in particular dependence of width of the directional pattern on curvature and a distance from the middle of the top part of the antenna to the petal antenna petals is carried out.</p></sec><sec><title>Result</title><p>Result. Graphic dependences of curvature of petals and size of a distance from the middle of the top part of the antenna to the petal on directional pattern width in two planes for various frequencies are constructed. Approximation of the received dependences for two planes θ = 900 (the antenna plane) and φ = 00 is carried out (the plane perpendicular the antenna planes). The equations of the approximating curves for various frequencies are received. The analysis of change of curve dependences of curvature of petals and width of a distance from the middle of the top part of the antenna to the petal from directional pattern width upon transition from one frequency is carried out to another. The dependence of the standing wave ratio (VSWR) of the antenna on teflon thickness is investigated. The dependence of a strip of working frequencies on the sizes of the antenna is investigated.</p></sec><sec><title>Conclusion</title><p>Conclusion. Dependences of topology of the antenna on directional pattern width on the range of frequencies of the antenna are revealed. Problems of construction and optimization of model of the set characteristics are solved. The mathematical model allowing depending on the set frequency and width of the directional pattern is received to receive necessary topology of petals of the antenna.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>антенна Вивальди</kwd><kwd>кривизна</kwd><kwd>лепесток</kwd><kwd>аппроксимация</kwd><kwd>математическая модель</kwd><kwd>уравнение</kwd><kwd>диаграмма направленности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Vivaldi antenna</kwd><kwd>curvature</kwd><kwd>petal</kwd><kwd>approximation</kwd><kwd>mathematical model</kwd><kwd>equation</kwd><kwd>radiation pattern</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">C. Fairclough. Анализ конструкции антенны Вивальди [Электронный ресурс]. 2015 г. Режим доступа: https://www.comsol.ru/blogs/vivaldi-antenna-design-analysis/. Дата обращения 11.04.2018.</mixed-citation><mixed-citation xml:lang="en">C. Fairclough. 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