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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 custom-type="elpub" pub-id-type="custom">izmertech-236</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>Анализ нестабильности частоты группового сигнала ансамбля активных водородных стандартов</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>Подогова</surname><given-names>С. Д.</given-names></name></name-alternatives><email xlink:type="simple">podogova@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>Мишагин</surname><given-names>К. Г.</given-names></name></name-alternatives><email xlink:type="simple">mishagin@rf.unn.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернышев</surname><given-names>И. Н.</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>Воронцов</surname><given-names>В. Г.</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><aff xml:lang="ru" id="aff-2"><institution>Нижегородский государственный университет им. Н. И. Лобачевского</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>7</issue><fpage>26</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/236">https://www.izmt.ru/jour/article/view/236</self-uri><abstract><p>Проанализированы характеристики группового сигнала, полученного с помощью вспомогательного генератора, подстраиваемого под среднюю частоту сигналов ансамбля активных водородных стандартов частоты и времени. Для анализа использованы данные реальных измерений, проведенных в ЗАО «Время-Ч» в 2013 г.</p></abstract><trans-abstract xml:lang="en"><p>The analysis of frequency instability of group signal produced by auxiliary oscillator synchronized to the average frequency of active hydrogen maser ensemble is presented. Real measurements data obtained in JSC «Vremya-CH» in 2013 were used for the analysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стандарт частоты и времени</kwd><kwd>групповой эталон времени и частоты</kwd><kwd>нестабильность частоты</kwd><kwd>вариация Аллана</kwd><kwd>ensemble of atomic clocks</kwd><kwd>atomic clock</kwd><kwd>frequency instability</kwd><kwd>Allan variance</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">Bauch A. e. a. Generation of UTC(PTB) as a fountain-clock based time scale // Metrologia. 2012. V. 49. N. 3. 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