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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.2023-3-67-72</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1523</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>АКУСТИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ACOUSTIC MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Результаты пилотных сличений амплитудно-фазовых калибровок гидрофонов в частотном диапазоне 10–500 кГц КООМЕТ 786/RU-а/19</article-title><trans-title-group xml:lang="en"><trans-title>Results of pilot comparisons of amplitude-phase calibrations of hydrophones in the frequency range 10–500 kHz COOMET 786/RU-а/19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0718-5234</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исаев</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Isaev</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Евгеньевич Исаев</p><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Alexander E. Isaev</p><p>Mendeleevo, Moscow region</p></bio><email xlink:type="simple">isaev@vniiftri.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>Чен</surname><given-names>И.</given-names></name><name name-style="western" xml:lang="en"><surname>Chen</surname><given-names>Yi</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чен И</p><p>Ханчжоу, Чжэцзян</p></bio><bio xml:lang="en"><p>Chen Yi</p><p>Hangzhou, Fuyang Zhejiang</p></bio><email xlink:type="simple">y.chen@163.com</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>Матвеев</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Matveev</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Николаевич Матвеев</p><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Anton N. Matveev</p><p>Mendeleevo, Moscow region</p></bio><email xlink:type="simple">matveev@vniiftri.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>Цзя</surname><given-names>Гуанхуэй</given-names></name><name name-style="western" xml:lang="en"><surname>Jia</surname><given-names>Guanghui</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цзя Гуанхуэй</p><p>Ханчжоу, Чжэцзян</p></bio><bio xml:lang="en"><p>Jia Guanghui</p><p>Hangzhou, Fuyang Zhejiang</p></bio><email xlink:type="simple">13732264446@163.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8197-8160</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хатамтаев</surname><given-names>Б. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khatamtaev</surname><given-names>B. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Булат Ильгизович Хатамтаев</p><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Bulat I. Khatamtaev</p><p>Mendeleevo, Moscow region</p></bio><email xlink:type="simple">bulat_3004@mail.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>Ванг</surname><given-names>Шигуан</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>Shiquan</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ванг Шигуан</p><p>Ханчжоу, Чжэцзян</p></bio><bio xml:lang="en"><p>Wang Shiquan</p><p>Hangzhou, Fuyang Zhejiang</p></bio><email xlink:type="simple">492380852@qq.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7547-9202</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щерблюк</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherblyuk</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Геннадьевич Щерблюк</p><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Nikolay G. Shcherblyuk</p><p>Mendeleevo, Moscow region</p></bio><email xlink:type="simple">shcherbluck@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт физико-технических и радиотехнических измерений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Metrological Institute of Technical Physics and Radio Engineering</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт прикладной акустики Ханчжоу</institution><country>Китай</country></aff><aff xml:lang="en"><institution>HAARI</institution><country>China</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2023</year></pub-date><volume>0</volume><issue>3</issue><fpage>67</fpage><lpage>72</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/1523">https://www.izmt.ru/jour/article/view/1523</self-uri><abstract><p>Описаны двусторонние пилотные сличения амплитудно-фазовых калибровок гидрофонов в частотном диапазоне 10–500 кГц КООМЕТ 786/RU-а/19 между Ханчжоуским научно-исследовательским институтом прикладной акустики (HAARI) и Всероссийским научно-исследовательским институтом физико-технических и радиотехнических измерений (лаборатория-пилот), инициированные ТК 1.2 «Акустика, ультразвук, вибрация» КООМЕТ. Приведены характеристики опорных гидрофонов, сведения об эталонных установках и методах калибровки, результаты калибровок, оценки опорных уровней сличений. Обсуждены результаты сличений. Упомянуты проблемы, повлиявшие на результаты сличений. Подтверждена корректность применённых участниками сличений методик измерений, в том числе метода расчёта частотной зависимости аргумента комплексной чувствительности гидрофона по экспериментальной частотной зависимости модуля его чувствительности. Результаты пилотных сличений признаны удовлетворительными. При обсуждении итогов сличений на совещании ТК 1.2 КООМЕТ предложено провести дополнительные сличения результатов амплитудно-фазовых калибровок в расширенном составе участников. Полученные результаты позволяют проверить правильность принятых новых технических решений, отработать методики выполнения измерений и постобработки полученных данных, выявить и численно оценить источники неопределённости, а также установить ранее не учтённые источники неопределённости при совершенствовании первичных эталонов.</p></abstract><trans-abstract xml:lang="en"><p>Initiated by COOMET TC 1.2 “Acoustics, Ultrasound, Vibration” bilateral pilot comparisons of amplitude-phase calibrations of hydrophones in the frequency range 10–500 kHz COOMET 786/RU-a/19 between the Hangzhou Research Institute of Applied Acoustics (HAARI) and the Russian Metrological Institute of Technical Physics and Radio Engineering (pilot laboratory) are described. Characteristics of reference hydrophones, information about standard facilities and methods of calibration, results of calibrations, and estimates of reference levels of comparisons are given. The results of comparisons are discussed. The problems that infl uenced the results of comparisons are mentioned. The correctness of the measurement methods used by the participants of the comparisons, including the method of calculating the frequency dependence of the argument of hydrophone complex sensitivity from the experimental frequency dependence of the modulus of its sensitivity, was confirmed. The results of the pilot comparisons were found to be satisfactory. When discussing the results of comparisons at the COOMET TC 1.2 meeting, it was proposed to conduct additional comparisons of the results of amplitude-phase calibrations in an expanded composition of participants. The results obtained make it possible to verify the correctness of the adopted new technical solutions, to work out methods for performing measurements and post-processing of the obtained data, to identify and numerically evaluate sources of uncertainty, and also to establish previously unaccounted sources of uncertainty when improving primary standards.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидрофон</kwd><kwd>комплексная чувствительность</kwd><kwd>акустический центр</kwd><kwd>амплитудно-фазовая калибровка</kwd><kwd>пилотные сличения КООМЕТ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrophone</kwd><kwd>complex sensitivity</kwd><kwd>acoustic center</kwd><kwd>amplitude-phase calibration</kwd><kwd>COOMET pilot comparisons</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">Pete D. Theobald, Stephen P. Robinson, Alex D. Thompson, Roy C. 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