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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-372</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>БЫСТРОЕ ОПРЕДЕЛЕНИЕ ПРОИСХОЖДЕНИЯ ЗЕЛЕНОГО ЧАЯ С ПОМОЩЬЮ СПЕКТРОСКОПИИ БЛИЖНЕЙ ИК ОБЛАСТИ И МНОГОВОЛНОВОГО СТАТИСТИЧЕСКОГО ДИСКРИМИНАНТНОГО АНАЛИЗА</article-title><trans-title-group xml:lang="en"><trans-title>RAPID DETERMINATION OF GREEN TEA ORIGINS BY NEAR INFRARED SPECTROSCOPY AND MULTI-WAVELENGTH STATISTICAL DISCRIMINANT ANALYSIS</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>Zhuang</surname><given-names>X. G.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuang</surname><given-names>X. G.</given-names></name></name-alternatives><email xlink:type="simple">xingangzhuang@163.com</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>Shi</surname><given-names>X. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Shi</surname><given-names>X. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wang</surname><given-names>H. F.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>H. F.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wang</surname><given-names>L. L.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>L. L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Fang</surname><given-names>J. X.</given-names></name><name name-style="western" xml:lang="en"><surname>Fang</surname><given-names>J. X.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>41-й Научно-исследовательский институт CETC; Научно-техническая лаборатория электронных испытаний и измерений</institution></aff><aff xml:lang="en"><institution>The 41st Research Institute of CETC; Science and Technology on Electronic Test and Measurement Laboratory</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>41-й Научно-исследовательский институт CETC</institution></aff><aff xml:lang="en"><institution>The 41st Research Institute of CETC</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Исследовательский центр оптики, Университет Шаньдуна</institution></aff><aff xml:lang="en"><institution>Advanced Research Center for Optics, Shandong University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>1</issue><fpage>89</fpage><lpage>95</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zhuang X.G., Shi X.S., Wang H.F., Wang L.L., Fang J.X., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Zhuang X.G., Shi X.S., Wang H.F., Wang L.L., Fang J.X.</copyright-holder><copyright-holder xml:lang="en">Zhuang X.G., Shi X.S., Wang H.F., Wang L.L., Fang J.X.</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/372">https://zhps.ejournal.by/jour/article/view/372</self-uri><abstract><p>Для идентификации происхождения зеленого чая Шаньдуна предложена простая процедура классификации, основанная на многоволновом статистическом дискриминантном анализе в сочетании со спектроскопией ближнего ИК диапазона. После сглаживания спектра и предварительной обработки первой производной выбраны семь характерных длин волн, для каждой рассчитан порог классификации в соответствии с различиями в поглощении, которые могут наилучшим образом выделить спектры чая из разных источников происхождения. На основе характерных длин волн и соответствующих пороговых значений получены семь классификаторов, формирующих классификационную модель. Эффективность калибровочной модели оценивалась по чувствительности, избирательности и точности классификации. Результаты показали, что многоволновой статистический дискриминантный анализ может успешно использоваться для построения классификационных моделей. Прогнозируемые характеристики модели: чувствительность 1, избирательность 0.977 и точность 98.3%. </p></abstract><trans-abstract xml:lang="en"><p>A new simple classification modeling procedure, multi-wavelength statistical discriminant analysis (MW-SDA), is proposed for the identification of Shandong green tea origins coupled with near-infrared (NIR) spectroscopy. After smoothing and first derivative preprocessing, seven characteristic wavelengths (CW) were selected by enlarging the detailed information of preprocessed spectra. Then, for each characteristic wavelength, a classification threshold is calculated according to the differences in absorbance value, which can best separate the spectra for different origins. Based on the seven CWs and corresponding thresholds, seven classifiers were obtained, which form the classification model. The performance of the calibration model was evaluated according to sensitivity, specificity, and classification accuracy. Analysis results indicated that MW-SDA can be used well to build classification models. The predicted precision of the last model in prediction set was: sensitivity = 1, specificity = 0.967, and accuracy = 98.3%.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многоволновой статистический дискриминантный анализ</kwd><kwd>спектроскопия ближнего инфракрасного диапазона</kwd><kwd>зеленый чай</kwd><kwd>происхождение</kwd><kwd>multi-wavelength statistical discriminant analysis</kwd><kwd>NIR spectroscopy</kwd><kwd>green tea</kwd><kwd>origin</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">T. Ikeda, S. Kanaya, T. Yonetani, A. Kobayashi, E. Fukusaki, J. Agric. Food. Chem., 55, 9908-9912 (2007).</mixed-citation><mixed-citation xml:lang="en">T. Ikeda, S. Kanaya, T. Yonetani, A. Kobayashi, E. Fukusaki, J. Agric. Food. 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