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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">bsuir-317</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>ЭФФЕКТИВНОСТЬ ДВУХКАНАЛЬНОГО ОПТИЧЕСКОГО ПРИЕМНИКА СИГНАЛОВ С ДИФФЕРЕНЦИАЛЬНОЙ ФАЗОВОЙ МОДУЛЯЦИЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>EFFICIENCY OF TWO-CHANNEL OPTICAL RECEIVER FOR DIFFERENTIAL PHASE-SHIFT KEYING SIGNALS</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>Урядов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Uryadov</surname><given-names>V. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Рощупкин</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Roshchupkin</surname><given-names>Y. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Бунас</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Bunas</surname><given-names>V. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Урядов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Uryadov</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>03</day><month>06</month><year>2019</year></pub-date><volume>0</volume><issue>4</issue><fpage>5</fpage><lpage>10</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Урядов В.Н., Рощупкин Я.В., Бунас В.Ю., Урядов В.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Урядов В.Н., Рощупкин Я.В., Бунас В.Ю., Урядов В.В.</copyright-holder><copyright-holder xml:lang="en">Uryadov V.N., Roshchupkin Y.V., Bunas V.Y., Uryadov V.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://doklady.bsuir.by/jour/article/view/317">https://doklady.bsuir.by/jour/article/view/317</self-uri><abstract><p>Проведен сравнительный анализ известных оптических приемных модулей для обработки сигналов с дифференциальной фазовой модуляцией (DPSK) при отсутствии оптических предусилителей. Предложен двухканальный оптический приемник, позволяющий получить выигрыш по чувствительности по сравнению с ранее известными. Проведен анализ его эффективности.</p></abstract><trans-abstract xml:lang="en"><p>A comparative analysis of optical receivers to handle differential phase-shift keying (DPSK) was presented in this paper. The two-channel optical receiver providing sensitivity gain was proposed. Numerical investigation of its performance was carried out.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дифференциальная фазовая модуляция</kwd><kwd>чувствительность приемника</kwd><kwd>интерферометр Маха-Цандера</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">ITU-T Recommendation G.959.1 Optical transport network physical layer interfaces.</mixed-citation><mixed-citation xml:lang="en">ITU-T Recommendation G.959.1 Optical transport network physical layer interfaces.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Величко М. А., Наний О. Е., Сусьян А. А. //Lightwave russian edition. 2005. №4 C. 21-30.</mixed-citation><mixed-citation xml:lang="en">Величко М. А., Наний О. Е., Сусьян А. 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