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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-777</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>МНОГОПАРАМЕТРИЧЕСКИЙ АНАЛИЗ СОСТАВА ФАРМАЦЕВТИЧЕСКОЙ ПРОДУКЦИИ НА ОСНОВЕ ТЕРАГЕРЦОВОЙ СПЕКТРОСКОПИИ ВО ВРЕМЕННОЙ ОБЛАСТИ</article-title><trans-title-group xml:lang="en"><trans-title>MULTIVARIATE ANALYSIS OF THE COMPOSITION OF PHARMACEUTICAL PRODUCTS BASED ON TERAHERTZ TIME-DOMAIN SPECTROSCOPY</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>Борисевич</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisevich</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончаренко</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharenko</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск</p></bio><bio xml:lang="en"><p>Minsk, 220072</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>Ляхнович</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyakhnovich</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск</p></bio><bio xml:lang="en"><p>Minsk, 220072</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>Синицын</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sinitsyn</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск</p></bio><bio xml:lang="en"><p>Minsk, 220072</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>Ходасевич</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodasevich</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск</p></bio><bio xml:lang="en"><p>Minsk, 220072</p></bio><email xlink:type="simple">m.khodasevich@ifanbel.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>01</month><year>2021</year></pub-date><volume>88</volume><issue>1</issue><fpage>144</fpage><lpage>149</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Борисевич Д.А., Гончаренко А.М., Ляхнович А.В., Синицын Г.В., Ходасевич М.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Борисевич Д.А., Гончаренко А.М., Ляхнович А.В., Синицын Г.В., Ходасевич М.А.</copyright-holder><copyright-holder xml:lang="en">Borisevich D.A., Goncharenko A.M., Lyakhnovich A.V., Sinitsyn G.V., Khodasevich M.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://zhps.ejournal.by/jour/article/view/777">https://zhps.ejournal.by/jour/article/view/777</self-uri><abstract><p>Многопараметрические методы применены к спектрам пропускания фармацевтической продукции, полученным с помощью быстрого Фурье-преобразования временных форм терагерцового электромагнитного поля. Последовательное использование метода главных компонент и линейного дискриминантного анализа позволило классифицировать два лекарственных средства, а метод независимых компонент — в смеси трех лекарственных средств восстановить спектр одного компонента и выявить характерную особенность второго.</p></abstract><trans-abstract xml:lang="en"><p>Multivariate methods were applied to the transmission spectra of pharmaceutical products obtained using the fast Fourier transform of the temporal forms of the terahertz electromagnetic field. Successive use of the principal component analysis and linear discriminant analysis allowed us to classify two drugs, and by the independent component analysis to recover the spectrum of the first component in a mixture of three drugs and identify the characteristic feature of the second.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>терагерцовая спектроскопия во временной области</kwd><kwd>метод главных компонент</kwd><kwd>дискриминантный анализ</kwd><kwd>метод независимых компонент</kwd></kwd-group><kwd-group xml:lang="en"><kwd>terahertz time-domain spectroscopy</kwd><kwd>principal component analysis</kwd><kwd>discriminant analysis</kwd><kwd>independent component analysis</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">J. Yao, Y.-Q. Shi, Z.-R. Li, S.-H. Jin. J. Chromatogr., 853 (2007) 254—259</mixed-citation><mixed-citation xml:lang="en">J. Yao, Y.-Q. Shi, Z.-R. 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