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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">bsuir-522</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ВЫЧИСЛИТЕЛЬНО-ЭФФЕКТИВНАЯ ПЕССИМИСТИЧЕСКАЯ МОДЕЛЬ ДИФРАКЦИИ ВЫСОКОЧАСТОТНОЙ ЭЛЕКТРОМАГНИТНОЙ ВОЛНЫ НА АПЕРТУРЕ В ПРОВОДЯЩЕМ ЭКРАНЕ</article-title><trans-title-group xml:lang="en"><trans-title>Computationally-effective Worst-Case model of High-frequency electromagnetic wave diffraction by aperture in conducting screen</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>Ционенко</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsyanenka</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Синькевич</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sinkevich</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Малый</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Maly</surname><given-names>S. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлов</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Arlou</surname><given-names>Y. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution><country>Belarus</country></aff><aff xml:lang="ru" id="aff-2"><institution>Белорусский государственный университет</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>03</day><month>06</month><year>2019</year></pub-date><volume>0</volume><issue>5</issue><fpage>5</fpage><lpage>11</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ционенко Д.А., Синькевич Е.В., Малый С.В., Орлов Е.Е., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Ционенко Д.А., Синькевич Е.В., Малый С.В., Орлов Е.Е.</copyright-holder><copyright-holder xml:lang="en">Tsyanenka D.A., Sinkevich E.V., Maly S.V., Arlou Y.Y.</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://doklady.bsuir.by/jour/article/view/522">https://doklady.bsuir.by/jour/article/view/522</self-uri><abstract><p>Предложена пессимистическая модель дифракции высокочастотного электромагнитного излучения на круглой и прямоугольной апертуре в проводящем экране. Модель основана на пессимистическом обобщении аналитических решений задачи дифракции, полученных в рамках подхода, основанного на формализме вектора Герца. Для построения пессимистической модели находится огибающая максимумов поля. Результаты, полученные в рамках модели, соответствуют результатам численного моделирования. Высокая вычислительная эффективность и пессимистический характер модели определяют целесообразность ее использования для решения задач электромагнитной совместимости.</p></abstract><trans-abstract xml:lang="en"><p>The worst-case model of high-frequency electromagnetic wave diffraction by circular or rectangular apertures in a conducting screen is proposed. The model is based on the worst-case generalization of analytical solutions of diffraction problem. These solutions were obtained in the frame of approach based on the theory of Hertzian vector. In order to develop the worst-case model, the envelope of the field maxima is found. The results obtained by the model correspond to the results of numerical simulation. Proposed model can be used for calculations of EMC due to high computational efficiency and worst-case character.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пессимистические модели</kwd><kwd>дифракция Френеля</kwd><kwd>дифракция Фраунгофера</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">Джексон Дж. Классическая электродинамика. М., 1965.</mixed-citation><mixed-citation xml:lang="en">Джексон Дж. Классическая электродинамика. М., 1965.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Хенл Х., Мауэ А., Вестпфаль К. Теория дифракции. М., 1964.</mixed-citation><mixed-citation xml:lang="en">Хенл Х., Мауэ А., Вестпфаль К. Теория дифракции. 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