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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">650519</article-id><article-id pub-id-type="doi">10.31857/S0033849423050145</article-id><article-id pub-id-type="edn">UIJYHF</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>THEORY AND METHODS OF SIGNAL PROCESSING</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ТЕОРИЯ И МЕТОДЫ ОБРАБОТКИ СИГНАЛОВ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Analytical Formula for the Relation between the Experimental and Theoretical Parameters of the Tsallis Spectral Line</article-title><trans-title-group xml:lang="ru"><trans-title>Аналитическая формула связи экспериментальных и теоретических параметров спектральной линии тцаллиановой формы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mendelevich</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Менделевич</surname><given-names>Л. В.</given-names></name></name-alternatives><email>yak@physics.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koksharov</surname><given-names>Yu. A.</given-names></name><name xml:lang="ru"><surname>Кокшаров</surname><given-names>Ю. А.</given-names></name></name-alternatives><email>yak@physics.msu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow State University, Faculty of Physics</institution></aff><aff><institution xml:lang="ru">Физический факультет МГУ им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт радиотехники и электроники им. В.А. Котельникова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Shenzhen MSU‒BIT University</institution></aff><aff><institution xml:lang="ru">Университет МГУ-ППИ в Шэньчжэне</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><volume>68</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>424</fpage><lpage>431</lpage><history><date date-type="received" iso-8601-date="2025-01-31"><day>31</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Л.В. Менделевич, Ю.А. Кокшаров</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Л.В. Менделевич, Ю.А. Кокшаров</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Л.В. Менделевич, Ю.А. Кокшаров</copyright-holder><copyright-holder xml:lang="ru">Л.В. Менделевич, Ю.А. Кокшаров</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0033-8494/article/view/650519">https://innoscience.ru/0033-8494/article/view/650519</self-uri><abstract xml:lang="en"><p>An exact analytical formula is obtained that relates the experimental and theoretical parameters of the spectral line described by the Tsallis function, which includes the Gaussian, Lorentzian, line shapes intermediate between them, and super-Lorentzian as special cases. The procedure for the numerical calculation of the theoretical parameters of the line shape is studied by the example of electron spin resonance spectra. The effect of complicating experimental factors, including the noise and the analog signal digitization discreteness, on the accuracy of determining the theoretical Tsallian parameters is examined. It is shown that the proposed method for determining the theoretical parameters of the spectral line is not inferior in accuracy to the method for minimizing the root-mean-square error functional. It is predicted that the new approach can be used as an alternative to the available spectral line shape analysis techniques.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324664352">Получена точная аналитическая формула, связывающая экспериментальные и теоретические параметры спектральной линии, описываемой функцией Тцаллиса, включающей, как частные случаи, гауссиан, лорентциан, промежуточные между ними формы линии, а также суперлорентциан. Исследована процедура численного расчета теоретических параметров формы линии на примере спектров электронного парамагнитного резонанса. Рассмотрено влияние на точность определения теоретических параметров тцаллиана осложняющих экспериментальных факторов, таких как шум и дискретность оцифровки аналоговых сигналов. Показано, что предложенный метод определения теоретических параметров спектральной линии не уступает в точности методу минимизации функционала среднеквадратичной ошибки. Предсказано, что новый подход может быть использован как альтернатива уже известным методам анализа формы спектральной линии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>spectral line shape analysis techniques</kwd><kwd>Tsallis function</kwd><kwd>electron spin resonance spectra</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Poole C.P., Farach H.A. // Bull. Magn. Resonance. 1980. V. 1. № 4. P. 162.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Bertrand P. Electron Paramagnetic Resonance Spectroscopy: Applications. Cham: Springer, 2020.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Electron Paramagnetic Resonance: a Practitioner’s Toolkit / Eds. by M. Brustolon, G. Giamello. 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