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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">tuzsut</journal-id><journal-title-group><journal-title xml:lang="ru">Труды учебных заведений связи</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Telecommunication Universities</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-324X</issn><issn pub-type="epub">2712-8830</issn><publisher><publisher-name>СПбГУТ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31854/1813-324X-2019-5-2-20-25</article-id><article-id custom-type="elpub" pub-id-type="custom">tuzsut-68</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>ПРИБОРОСТРОЕНИЕ, МЕТРОЛОГИЯ И ИНФОРМАЦИОННО-ИЗМЕРИТЕЛЬНЫЕ ПРИБОРЫ И СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INSTRUMENTATION, METROLOGY AND INFORMATION-MEASURING DEVICES AND SYSTEMS</subject></subj-group></article-categories><title-group><article-title>МОДЕЛИРОВАНИЕ ВЛИЯНИЯ АКУСТИЧЕСКИХ ВОЗДЕЙСТВИЙ НА ПОЛЯРИЗАЦИОННЫЕ ХАРАКТЕРИСТИКИ ОБРАТНОГО РАССЕЯНИЯ ОПТИЧЕСКИХ ВОЛОКОН</article-title><trans-title-group xml:lang="en"><trans-title>Simulation of Polarization Backscattering Characteristics of Optical Fibers under Acoustical Action</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>Дашков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dashkov</surname><given-names>M. ..</given-names></name></name-alternatives><email xlink:type="simple">mvd.srttc@gmail.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>Яблочкин</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yablochkin</surname><given-names>K. ..</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Поволжский государственный университет телекоммуникаций и информатики<country>Россия</country></aff><aff xml:lang="en">Povolghskiy State University of Telecommunications and Informatics<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>13</day><month>04</month><year>2021</year></pub-date><volume>5</volume><issue>2</issue><fpage>20</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дашков М.В., Яблочкин К.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Дашков М.В., Яблочкин К.А.</copyright-holder><copyright-holder xml:lang="en">Dashkov M..., Yablochkin K...</copyright-holder><license 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://tuzs.sut.ru/jour/article/view/68">https://tuzs.sut.ru/jour/article/view/68</self-uri><abstract><p>В настоящее время распределенные волоконно-оптические датчики акустических воздействий востребованы в различных отраслях экономики. Одним из вариантов реализации подобных устройств является применение методов поляризационной оптической рефлектометрии. Известно, что внешние воздействия на оптическое волокно приводят к локальным изменениям величины двулучепреломления и ориентации оптических осей участков волокна. Таким образом, анализ поляризационных характеристик обратного рассеяния может быть использован для выявления и определения параметров акустических воздействий. В работе рассмотрена математическая модель поляризационных характеристик оптического волокна с учетом влияния внешних воздействий и приведены результаты численного моделирования.</p></abstract><trans-abstract xml:lang="en"><p>At present distributed optical fiber acoustic sensors are needed for various applications. Those systems can be realized using polarization optical reflectometry. External mechanical action on optical fiber causes local birefringence changes and variations of optical axis orientation. Thus, analysis of polarized backscattered characteristics can be applied for detection and estimation of acoustic action parameters. Mathematial model of polarization characteristics of optical fiber and results of competer simulation are represented in paper</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптическое волокно</kwd><kwd>поляризация</kwd><kwd>двулучепреломление</kwd><kwd>акустические воздействия</kwd><kwd>поляризационная рефлектометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optical fiber</kwd><kwd>polarization</kwd><kwd>birefringence</kwd><kwd>acoustic action</kwd><kwd>polarization reflectometry</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">Liu X., Jin B., Bai Q., Wang Y., Wang D., Wang Y. Distributed Fiber-Optic Sensors for Vibration Detection // Sensor. 2016. Vol. 16. Iss. 8. 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