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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">izmertech-18</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>МЕДИЦИНСКИЕ И БИОЛОГИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICAL AND BIOLOGICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Адаптивный обнаружитель QRS-комплексов электрокардиосигнала на основе преобразования Гилберта</article-title><trans-title-group xml:lang="en"><trans-title></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>Федотов</surname><given-names>А. А.</given-names></name></name-alternatives><email xlink:type="simple">fedoaleks@yandex.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>Акулова</surname><given-names>А. С.</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>Самарский национальный исследовательский университет им. акад. С. П. Королева</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>2</issue><fpage>67</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/18">https://www.izmt.ru/jour/article/view/18</self-uri><abstract><p>Рассмотрена методика детектирования QRS -комплексов электрокардиосигнала для систем длительного мониторинга состояния пациента. Методика основанна на последовательном применении полосовой частотной фильтрации, преобразования Гилберта и адаптивного порогового алгоритма. Исследована эффективность различных методик детектирования QRS -комплексов для модельных электрокардиосигналов в условиях действия помех различной природы и интенсивности. Эффективность предложенной методики протестирована для различных клинических записей электрокардиосигналов из базы данных MIT Physionet.</p></abstract><trans-abstract xml:lang="en"><p>A QRS -wave detector based on the consecutive application of a band-pass filtering, the Hilbert transform, and an adaptive thresholding algorithm is developed. The detector is compared with existent QRS -wave detectors using a model of ECG signal contaminated by interferences of various types and intensity. Developed method of QRS -wave detecting is verified using the MIT Physionet database of clinical ECG recordings.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электрокардиосигнал</kwd><kwd>QRS-комплекс</kwd><kwd>детектирование</kwd><kwd>преобразование Гилберта</kwd><kwd>ECG signal</kwd><kwd>QRS-wave</kwd><kwd>detecting</kwd><kwd>Hilbert transform</kwd><kwd>inaccuracy</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">Федотов А. А., Акулов С. А. Математическое моделирование и анализ погрешностей измерительных преобразователей биомедицинских сигналов. М.: Физматлит, 2013.</mixed-citation><mixed-citation xml:lang="en">Федотов А. А., Акулов С. А. Математическое моделирование и анализ погрешностей измерительных преобразователей биомедицинских сигналов. 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