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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">dt</journal-id><journal-title-group><journal-title xml:lang="ru">Цифровая трансформация</journal-title><trans-title-group xml:lang="en"><trans-title>Digital Transformation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2522-9613</issn><issn pub-type="epub">2524-2822</issn><publisher><publisher-name>Educational Establishment “Belarusian State University of Informatics and Radioelectronics”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2023-29-4-66-72</article-id><article-id custom-type="elpub" pub-id-type="custom">dt-803</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Алгоритм измерения частоты сердечных сокращений в системах мониторинга функционального состояния человека</article-title><trans-title-group xml:lang="en"><trans-title>Heart Rate Measurement Algorithm in the Monitoring System of Human Body Condition</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>Осипов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Osipov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Осипов Анатолий Николаевич - к. т. н., доцент, начальник Центра междисциплинарных исследований.</p><p>220013, Минск, ул. П. Бровки, 6</p><p>Тел.: +375 17 293-85-40</p></bio><bio xml:lang="en"><p>Anatoly N. Osipov - Cand. of Sci., Head of the Center for Interdisciplinary Research of the Belarusian State University of Informatics and Radioelectronics.</p><p>220013, Minsk, P. Brovki St., 6</p><p>Tel.: +375 17 293-85-40</p></bio><email xlink:type="simple">osipov@bsuir.by</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>Ролич</surname><given-names>О. Ч.</given-names></name><name name-style="western" xml:lang="en"><surname>Rolich</surname><given-names>O. Ch.</given-names></name></name-alternatives><bio xml:lang="ru"><p>К. т. н., доцент, доцент кафедры проектирования информационно-компьютерных систем.</p><p>Минск</p></bio><bio xml:lang="en"><p>Oleg Ch. Rolich - Cand. of Sci., Associate Professor, Associate Professor at the Department of Information and Computer-Aided Systems of the Belarusian State University of Informatics and Radioelectronics.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клюев</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kluev</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ст. преподаватель кафедры инженерной психологии и эргономики.</p><p>Минск</p></bio><bio xml:lang="en"><p>Andrey P. Kluev - Senior Lecturer at the Department of Engineering Psychology and Ergonomics of the Belarusian State University of Informatics and Radioelectronics.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Владымцев</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vladymtsev</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ассистент кафедры информатики.</p><p>Минск</p></bio><bio xml:lang="en"><p>Vadim D. Vladymtsev - Assistant at the Department of Computer Science of the Belarusian State University of Informatics and Radioelectronics.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мигалевич</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Migalevich</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр т. н., начальник Центра информатизации и инновационных разработок.</p><p>Минск</p></bio><bio xml:lang="en"><p>Sergey A. Migalevich - M. of Sci., Head of the Center for Informatization and Innovative Developments of the Belarusian State University of Informatics and Radioelectronics.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хазановский</surname><given-names>И. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Khazanovsky</surname><given-names>I. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Заместитель начальника научно-производственно-образовательного инновационного центра СВЧ технологий и их метрологического обеспечения НИЧ.</p><p>Минск</p></bio><bio xml:lang="en"><p>Igor О. Khazanovsky - Deputy Head of the Research and Production and Educational Innovative Center of Microwave Technologies and their Metrological Supply of R&amp;D Department of the Belarusian State University of Informatics and Radioelectronics.</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>21</day><month>12</month><year>2023</year></pub-date><volume>29</volume><issue>4</issue><fpage>66</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Осипов А.Н., Ролич О.Ч., Клюев А.П., Владымцев В.Д., Мигалевич С.А., Хазановский И.О., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Осипов А.Н., Ролич О.Ч., Клюев А.П., Владымцев В.Д., Мигалевич С.А., Хазановский И.О.</copyright-holder><copyright-holder xml:lang="en">Osipov A.N., Rolich O.C., Kluev A.P., Vladymtsev V.D., Migalevich S.A., Khazanovsky I.O.</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://dt.bsuir.by/jour/article/view/803">https://dt.bsuir.by/jour/article/view/803</self-uri><abstract><p>Рассмотрены вопросы измерения частоты сердечных сокращений в системах мониторинга функционального состояния человека, работающих в реальном масштабе времени. Регистраторы систем данного класса чувствительны к помехам и шумам, вызванным двигательными артефактами, электромагнитными наводками от внешних источников, временной деградацией сенсоров и др. Приведено соотношение для расчета частоты сердечных сокращений и описан алгоритм вычисления, заключающийся в регистрации электрокардиограммы, вычислении спектрограммы электрокардиограммы и формировании из нее первого числового массива, вычислении второго преобразования Фурье числовых значений строк первого массива и пикового анализа вновь полученных амплитудных спектров. Реализация алгоритма позволяет получить более точную количественную оценку частоты сердечных сокращений в реальном масштабе времени в условиях наличия помех и шумов.</p></abstract><trans-abstract xml:lang="en"><p>The questions of measuring heart rate in systems for monitoring the functional state of a person operating in real time are considered. Recorders of systems of this class are sensitive to interference and noise caused by motor artifacts, electromagnetic interference from external sources, temporary degradation of sensors, etc. The ratio for the calculation of the heart rate is given and the calculation algorithm is described, which consists in registering an electrocardiogram, calculating the electrocardiogram spectrogram and forming the first numerical array from it, calculating the second Fourier transform of the numerical values of the rows of the first array and peak analysis of the newly obtained amplitude spectra. The implementation of the algorithm makes it possible to obtain a more accurate quantitative assessment of the heart rate in real time in the presence of interference and noise.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>частота сердечных сокращений</kwd><kwd>спектрограмма</kwd><kwd>электрокардиограмма</kwd><kwd>реальный масштаб времени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heart rate</kwd><kwd>spectrogram</kwd><kwd>electrocardiogram</kwd><kwd>real time scale</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена при поддержке Белорусского республиканского фонда фундаментальных исследований в рамках договора от 15.11.2021 № Ф21УЗБГ-001.</funding-statement><funding-statement xml:lang="en">The article was prepared with the support of the Belarusian Republican Foundation for Fundamental Research within the framework of agreement dated November 15, 2021 No F21UZBG-001.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Islam, Md. 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