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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">pimi-206</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>Методы измерений, контроля, диагностики</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Methods of measurements, monitoring, diagnostics</subject></subj-group></article-categories><title-group><article-title>РАСЧЕТ МИНИМАЛЬНОЙ РАЗРЕШАЕМОЙ РАЗНОСТИ ТЕМПЕРАТУР ТЕПЛОВИЗИОННЫХ ПРИБОРОВ</article-title><trans-title-group xml:lang="en"><trans-title>ESTIMATION OF THERMAL IMAGER MINIMUM RESOLVABLE TEMPERATURE DIFFERENCE</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>Аль-Мзирави</surname><given-names>Ахмед М.Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Al-Mzirawi</surname><given-names>Ahmed M.L.</given-names></name></name-alternatives><email xlink:type="simple">v.mikitenko@nil-psf.kpi.ua</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>Колобродов</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolobrodov</surname><given-names>V. G.</given-names></name></name-alternatives><email xlink:type="simple">v.mikitenko@nil-psf.kpi.ua</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>Микитенко</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mykytenko</surname><given-names>V. I.</given-names></name></name-alternatives><email xlink:type="simple">v.mikitenko@nil-psf.kpi.ua</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный технический университет Украины «Киевский политехнический институт»</institution><country>Украина</country></aff><aff xml:lang="en"><institution>National Technical University of Ukraine «Kyiv Politechnic Institute»</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>03</day><month>08</month><year>2015</year></pub-date><volume>6</volume><issue>1</issue><fpage>64</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аль-Мзирави А., Колобродов В.Г., Микитенко В.И., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Аль-Мзирави А., Колобродов В.Г., Микитенко В.И.</copyright-holder><copyright-holder xml:lang="en">Al-Mzirawi A., Kolobrodov V.G., Mykytenko V.I.</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://pimi.bntu.by/jour/article/view/206">https://pimi.bntu.by/jour/article/view/206</self-uri><abstract><p>Статья посвящена повышению точности определения минимальной разрешаемой разности температур тепловизионных систем за счет совершенствования модели визуального восприятия термографических изображений оператором. Рассмотрен алгоритм получения уравнения для расчета минимальной разрешаемой разности температур, в основе которого лежит более достоверная аппроксимация модуляционной передаточной функции зрительной системы, предложенная Д.У. Шульцем. Получено новое выражение для коэффициента ширины полосы для аппроксимации Шульца, которое не зависит от углового размера штриха миры Фуко. </p></abstract><trans-abstract xml:lang="en"><p>The paper is devoted to improving the accuracy of determining the minimum resolvable temperature difference (MRTD) of thermal imagers by means of more sophisticated models of thermal images visual perception. An MRTD calculating algorithm, which is based on a more reliable approximation of the visual system modulation transfer function by Schultz, is considered. New expression for the bandwidth of Schultz's approximation, which does not depend on the angular size of the Foucault pattern bar, was obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тепловидение</kwd><kwd>оценка эффективности</kwd><kwd>минимальная разрешаемая разность температур</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermovision</kwd><kwd>performance evaluation</kwd><kwd>minimum resolvable temperature difference</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">Vollmerhausen, R.H. Analysis and evaluation of sampled imaging systems / R. H. Vollmerhausen, D. Reago, R. G. Driggers. – Bellingham, SPIE Press, 2010. – 304 p.</mixed-citation><mixed-citation xml:lang="en">Vollmerhausen R.H., Reago D., Driggers R.G. Analysis and evaluation of sampled imaging systems. 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