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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it-2018-8-25-28</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-780</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>ИЗМЕРЕНИЯ ВРЕМЕНИ И ЧАСТОТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TIME AND FREQUENCY MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Модем с волоконно-оптической линией связи для передачи эталонных сигналов частоты и времени</article-title><trans-title-group xml:lang="en"><trans-title></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>Жеглов</surname><given-names>А. В.</given-names></name></name-alternatives><email xlink:type="simple">zheglov@vremya-ch.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>Беляев</surname><given-names>А. А.</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>Медведев</surname><given-names>С. Ю.</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>Писарев</surname><given-names>И. А.</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>ЗАО «Время-Ч»</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>8</issue><fpage>25</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жеглов А.В., Беляев А.А., Медведев С.Ю., Писарев И.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Жеглов А.В., Беляев А.А., Медведев С.Ю., Писарев И.А.</copyright-holder><copyright-holder xml:lang="en">Жеглов А.В., Беляев А.А., Медведев С.Ю., Писарев И.А.</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://www.izmt.ru/jour/article/view/780">https://www.izmt.ru/jour/article/view/780</self-uri><abstract><p>Рассмотрены особенности разработанного многоканального модема для передачи эталонных сигналов частоты и времени по волоконно-оптической линии связи с компенсацией фазовой нестабильности. Оценена возможность передачи сигналов частоты активных водородных стандартов (например, Ч1-1003M), а также сигнала 1 PPS с погрешностью синхронизации не более 250 пс на расстояние до 100 км без использования оптических усилителей. Приведены результаты экспериментальной проверки метрологических характеристик модема.</p></abstract><trans-abstract xml:lang="en"><p>The article deals with the features of developed in "VREMYA-CH" JSC multichannel modem for transmission the reference signals of frequency and time on fiber with phase instability compensation. Its capabilities to transmit signals of reference frequencies with the quality of active hydrogen masers and 1 PPS with a synchronization error of about 250 ps at distances up to hundred kilometers are estimated. Experimental results of verification of its metrological characteristics are presented</p></trans-abstract><kwd-group xml:lang="ru"><kwd>передача сигналов частоты и времени</kwd><kwd>волоконно-оптическая линия связи</kwd><kwd>comparison of time scales</kwd><kwd>frequency and time signals transmission</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">Huang S., Tjoelker R. L. Stabilized photonic links for deep space tracking, navigation, and radio science applications // Proc. 43rd Annual Precise Time and Time Interval Systems and Applications Meeting. 2012. P. 1-8.</mixed-citation><mixed-citation xml:lang="en">Huang S., Tjoelker R. L. Stabilized photonic links for deep space tracking, navigation, and radio science applications // Proc. 43rd Annual Precise Time and Time Interval Systems and Applications Meeting. 2012. 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