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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">geophystech</journal-id><journal-title-group><journal-title xml:lang="ru">Геофизические технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Geophysical Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2619-1563</issn><publisher><publisher-name>IPGG SB RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18303/2619-1563-2024-2-4</article-id><article-id custom-type="elpub" pub-id-type="custom">geophystech-353</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>Тестирование алгоритма определения скоростной модели верхней части среды по временам первых вступлений</article-title><trans-title-group xml:lang="en"><trans-title>Testing the algorithm for determining the velocity model of the upper part of the medium based on the first times arrivals</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4203-2740</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Митрофанов</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitrofanov</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>МИТРОФАНОВ Георгий Михайлович – доктор физико-математических наук, главный научныйсотрудник лаборатории динамических проблем сейсмики</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3; 630090, Новосибирск, ул. Пирогова, 1; 630073, Новосибирск, просп. К. Маркса, 20</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090;  Pirogova Str., 1, Novosibirsk, 630090; K. Marks Ave., 20, Novosibirsk, 630073</p></bio><email xlink:type="simple">MitrofanovGM@ipgg.sbras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7752-5898</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернышов</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernyshov</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЧЕРНЫШОВ Глеб Станиславович – научный сотрудник лаборатории динамических проблемсейсмики</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3; 630090, Новосибирск, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090;  Pirogova Str., 1, Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8368-1144</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Камашев</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamashev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>КАМАШЕВ Александр Максимович – научный сотрудник лаборатории динамических проблемсейсмики</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3; 630090, Новосибирск, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090;  Pirogova Str., 1, Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4928-342X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>НИКИТИН Александр Алексеевич – научный сотрудник лаборатории динамических проблемсейсмики</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3; 630090, Новосибирск, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090;  Pirogova Str., 1, Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1217-5599</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мосягин</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mosyagin</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>МОСЯГИН Евгений Вячеславович – начальник отдела обработки и интерпретации данныхсейсморазведки</p><p>630091, Новосибирск, Красный просп., 67</p></bio><bio xml:lang="en"><p>Krasny Ave., 67, Novosibirsk, 630091</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН; Новосибирский государственный университет; Новосибирский государственный технический университет<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics SB RAS; Novosibirsk State University; Novosibirsk State Technical University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН; Новосибирский государственный университет<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics SB RAS; Novosibirsk State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Сибирский научно-исследовательский институт геологии, геофизики и минерального сырья<country>Россия</country></aff><aff xml:lang="en">Siberian Research Institute of Geology, Geophysics and Mineral Resources<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>4</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Митрофанов Г.М., Чернышов Г.С., Камашев А.М., Никитин А.А., Мосягин Е.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Митрофанов Г.М., Чернышов Г.С., Камашев А.М., Никитин А.А., Мосягин Е.В.</copyright-holder><copyright-holder xml:lang="en">Mitrofanov G.M., Chernyshov G.S., Kamashev A.M., Nikitin A.A., Mosyagin E.V.</copyright-holder><license 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.rjgt.ru/jour/article/view/353">https://www.rjgt.ru/jour/article/view/353</self-uri><abstract><p>Приведены результаты тестирования алгоритма и созданного на его основе программного модуля. Алгоритм позволяет построить скоростную модель верхней части разреза по временам первых вступлений сейсмических сигналов, относящихся к рефрагированным волнам. В модуле реализовано две возможности определения времен, используемых при решении целевой задачи. Первая предполагает определение времен перед работой модуля. Вторая реализует автоматическое снятие времен по исходным сейсмограммам с применением нейронных сетей.</p></abstract><trans-abstract xml:lang="en"><p>The results of testing the algorithm and the software module created on its basis are presented. The algorithm allows us to build a velocity model of the medium upper part using the times of the first arrivals of seismic signals related to refracted waves. The module implements two possibilities of these times determination. The first involves determining the times before the module is starting. The second implements the automatic determination of such times from the original seismograms using neural networks.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>скоростная модель среды</kwd><kwd>сейсморазведка</kwd><kwd>времена первых вступлений</kwd><kwd>сейсмическая томография</kwd><kwd>учет скоростных вариаций в верхней части разреза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>velocity model of medium</kwd><kwd>seismic exploration</kwd><kwd>first arrival times</kwd><kwd>seismic tomography</kwd><kwd>accounting for velocity variations in the upper part of the section</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>работа выполнена в рамках государственного задания по проекту FWZZ-2022-0017.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was carried out as part of government assignment to the Russian Academy of Sciences in basic research, Project FWZZ-2022-0017</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Беляшов А.В., Суворов В.Д., Мельник Е.А. 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