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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-216</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>***</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>***</subject></subj-group></article-categories><title-group><article-title>ИДЕНТИФИКАЦИЯ ЯДОВИТЫХ РАСТЕНИЙ МЕТОДОМ ТЕРАГЕРЦОВОЙ СПЕКТРОСКОПИИ С ВРЕМЕННЫМ РАЗРЕШЕНИЕМ</article-title><trans-title-group xml:lang="en"><trans-title>DETECTION OF POISONOUS HERBS BY 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>Zhang</surname><given-names>H. .</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>H. .</given-names></name></name-alternatives><email xlink:type="simple">xidianzl@outlook.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>Li</surname><given-names>Z. .</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>Z. .</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>Chen</surname><given-names>T. .</given-names></name><name name-style="western" xml:lang="en"><surname>Chen</surname><given-names>T. .</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>Liu</surname><given-names>J. -J.</given-names></name><name name-style="western" xml:lang="en"><surname>Liu</surname><given-names>J. -J.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Школа механико-электронного машиностроения, Сидианский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>School of Mechano-Electronic Engineering, Xidian University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Школа механико-электронного машиностроения, Сидианский университет; Гуйлиньский университет аэрокосмической техники</institution><country>Россия</country></aff><aff xml:lang="en"><institution>School of Mechano-Electronic Engineering, Xidian University; Guilin University of Aerospace Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Гуйлиньский университет электронных технологий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Guilin University of Electronic Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Университет Цзюцзян</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Jiujiang University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>1</issue><elocation-id>176(1)-176(7)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Zhang H..., Li Z..., Chen T..., Liu J.-., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Zhang H..., Li Z..., Chen T..., Liu J.-.</copyright-holder><copyright-holder xml:lang="en">Zhang H..., Li Z..., Chen T..., Liu J.-.</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/216">https://zhps.ejournal.by/jour/article/view/216</self-uri><abstract><p>Обоснована возможность совместного применения терагерцовой спектроскопии с временным разрешением (THz-TDS) с хемометрическими методами для идентификации ядовитых и неядовитых растений. Спектры ядовитого (гельземия) и двух неядовитых растений (японской айвы и фикуса Хирта) получены в диапазоне 0.2-1.4 ТГц с помощью THz-TDS-системы. Для выделения признаков использован метод главных компонент (PCA). Точность прогноза классификации предложенным методом 97.78-100%. </p></abstract><trans-abstract xml:lang="en"><p>The aim of this paper is the application of terahertz (THz) spectroscopy combined with chemometrics techniques to distinguish poisonous and non-poisonous herbs which both have a similar appearance. Spectra of one poisonous and two non-poisonous herbs (Gelsemium elegans, Lonicera japonica Thunb and Ficus Hirta Vahl) were obtained in the range 0.2-1.4 THz by using a THz time-domain spectroscopy system. Principal component analysis (PCA) was used for feature extraction. The prediction accuracy of classification is between 97.78 to 100%. The results demonstrate an efficient and applicative method to distinguish poisonous herbs, and it may be implemented by using THz spectroscopy combined with chemometric algorithms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>терагерцовая спектроскопия</kwd><kwd>ядовитые растения</kwd><kwd>terahertz spectroscopy</kwd><kwd>poisonous herbs</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. Chen, Z. Li, W. Mo, Spectrochim. Acta A, 106, 48-53 (2013).</mixed-citation><mixed-citation xml:lang="en">T. Chen, Z. Li, W. Mo, Spectrochim. Acta A, 106, 48-53 (2013).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">A. Markelz, S. Whitmire, J. Hillebrecht, R. Birge, Phys. Med. Biol., 47, 3797-3805 (2002).</mixed-citation><mixed-citation xml:lang="en">A. Markelz, S. Whitmire, J. Hillebrecht, R. 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