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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">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">sibsutis-251</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>Исследование влияния амплитудно-фазовой конверсии на помехоустойчивость приёма сигналов с модуляцией M-APSK</article-title><trans-title-group xml:lang="en"><trans-title>Research of the nonlinear amplitude-phase conversion effect on the 16-APSK signal noise immunity</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>Дегтярев</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Degtyarev</surname><given-names>S. ..</given-names></name></name-alternatives><email xlink:type="simple">ssd1085@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>Носов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nosov</surname><given-names>V. ..</given-names></name></name-alternatives><email xlink:type="simple">nvi@sibsutis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>СибГУТИ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>3</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дегтярев С.С., Носов В.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Дегтярев С.С., Носов В.И.</copyright-holder><copyright-holder xml:lang="en">Degtyarev S..., Nosov V...</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://vestnik.sibsutis.ru/jour/article/view/251">https://vestnik.sibsutis.ru/jour/article/view/251</self-uri><abstract><p>В данной работе представлено исследование влияния нелинейной амплитудно-фазовой конверсии (АФК) на помехоустойчивость приёма сигнала с многопозиционной амплитудно-фазовой модуляцией M-APSK. Такие сигналы широко применяются в спутниковых системах, в том числе в системах вещания, таких как DVB-S2. В качестве модели нелинейности усилителя используется модель Салеха. Исследования направлены на определение оптимального режима работы усилителя при передаче сигналов 16-APSK в нелинейном канале с АФК.</p></abstract><trans-abstract xml:lang="en"><p>This paper represents a study of the nonlinear amplitude-phase conversion effect on the M-APSK signal distortion. M-APSK signals are widely used in satellite communication systems, including broadcasting systems such as DVB-S2. The Saleh model has been used as a nonlinearity model in this paper. Studies have focused on searching the amplifier optimal operation mode in case of 16-APSK signals transmission.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>модуляция M-APSK</kwd><kwd>амплитудно-фазовая конверсия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>DVB-S2</kwd><kwd>Back-off</kwd><kwd>APSK modulation</kwd><kwd>DVB-S2</kwd><kwd>amplitude-phase conversion</kwd><kwd>Back-off</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">De Gaudenzi R., Guillén i Fàbregas A. &amp; Martinez A. Performance analysis of turbo-coded APSK modulations over nonlinear satellite channels // IEEE Transactions on Wireless Communications. 2006. V. 5, № 9. Р. 2396-2407.</mixed-citation><mixed-citation xml:lang="en">De Gaudenzi R., Guillén i Fàbregas A. &amp; Martinez A. 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