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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">microcirculation</journal-id><journal-title-group><journal-title xml:lang="ru">Регионарное кровообращение и микроциркуляция</journal-title><trans-title-group xml:lang="en"><trans-title>Regional blood circulation and microcirculation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-6655</issn><issn pub-type="epub">2712-9756</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1682-6655-2013-12-1-76-82</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-823</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (CLINICAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Восстановление спектра колебаний кровотока из спектра колебаний температуры пальцев рук, дисперсия температурного сигнала в биоткани</article-title><trans-title-group xml:lang="en"><trans-title>Restoration of the blood flow oscillations spectrum through the finger temperature analysis and dispersion of the temperature signal in the biotissue</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>Сагайдачный</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagaidachnyi</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">andsag@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>Скрипаль</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Skripal</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">SkripalAV@info.sgu.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>Фомин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomin</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">89050344175@bk.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>Усанов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Usanov</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">UsanovDA@info.sgu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Саратовский государственный университет им. Н. Г. Чернышевского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saratov State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2013</year></pub-date><volume>12</volume><issue>1</issue><fpage>76</fpage><lpage>82</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сагайдачный А.А., Скрипаль А.В., Фомин А.В., Усанов Д.А., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Сагайдачный А.А., Скрипаль А.В., Фомин А.В., Усанов Д.А.</copyright-holder><copyright-holder xml:lang="en">Sagaidachnyi A.A., Skripal A.V., Fomin A.V., Usanov D.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://www.microcirc.ru/jour/article/view/823">https://www.microcirc.ru/jour/article/view/823</self-uri><abstract><p>Исследованы возможности восстановления спектра колебаний кровотока пальцев по результатам измерений колебаний температуры кожи. Температурные измерения выполнялись методом динамической термографии, колебания кровотока оценивались по огибающей пульсовых волн фотоплетизмограммы. Для восстановления спектра колебаний кровотока использовалась модель, устанавливающая связь колебаний кровотока с температурной динамикой. Разложение сигналов в спектр выполнялось с помощью вейвлет-анализа с базовым вейвлетом Морле (Morlet). В результате установлено, что рассмотренный способ восстановления спектра колебаний кровотока позволяет с помощью тепловизионных измерений контролировать колебания кожного кровотока как в эндотелиальном (0,005-0,02 Гц), так и в нейрогенном диапазонах (0,02-0,05 Гц); скорость распространения температурного сигнала в биоткани увеличивается с ростом частоты сигнала, т. е. присутствует дисперсия температурной волны. Приведенные результаты формируют основу температурных методов бесконтактного контроля колебаний кожного кровотока.</p></abstract><trans-abstract xml:lang="en"><p>Possibilities of the finger blood flow spectrum restoration through the analysis of the temperature oscillations have been investigated. Temperature measurements have been performed by dynamic thermography method; blood flow has been estimated from the envelope of the photoplethysmography pulse waves. Model, established the blood flow and the temperature oscillations relationships, has been used to restoration of the blood flow oscillations spectrum. Time-frequency spectral decomposition was carried out by means of the wavelet analysis, using the Morlet wavelet function. As a result of investigation, it was established that viewed method of the blood flow spectrum restoration allows to monitor of the blood flow oscillations in endothelial (0.005-0.02 Hz) as well as in neurogenic (0.02-0.05 Hz) frequency band. Velocity of propagation of the temperature signal in a biotissue increased with the frequency, i.e. it is appears dispersion of the thermal wave. Presented results create the basis of the non-contact temperature methods of the skin blood flow estimation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>колебания температуры</kwd><kwd>колебания кровотока</kwd><kwd>термография</kwd><kwd>фотоплетизмография</kwd><kwd>корреляция</kwd><kwd>дисперсия</kwd><kwd>temperature oscillations</kwd><kwd>blood flow oscillations</kwd><kwd>thermography</kwd><kwd>photoplethysmography</kwd><kwd>correlation</kwd><kwd>dispersion</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">Короновский А. А., Храмов А. Е. Непрерывный вейвлетный анализ и его приложения. М.: Физматлит., 2003. 176 с.</mixed-citation><mixed-citation xml:lang="en">Короновский А. А., Храмов А. Е. 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