<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">10.18303/2619-1563-2021-3-4</article-id><article-id custom-type="elpub" pub-id-type="custom">geophystech-156</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>Моделирование времен пробега и акустических волновых полей лучевым методом с аппроксимацией распространения широкополосного сигнала применительно к задачам сейсмики</article-title><trans-title-group xml:lang="en"><trans-title>Simulation of traveltimes and acoustic wave fields by the ray method with approximation of the propagation of a broadband signal as applied to seismic problems</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>Неклюдов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Neklyudov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат физико-математических наук, старший научный сотрудник лаборатории многоволновых сейсмических исследований Института нефтегазовой геологии и геофизики СО РАН. Основные научные интересы: сейсмическая томография, выделение полезного сигнала в сейсмических данных.630090, Новосибирск, просп. Акад. Коптюга, 3</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090</p></bio><email xlink:type="simple">NeklyudovDA@ipgg.sbras.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>Протасов</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Protasov</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор физико-математических наук, ведущий научный сотрудник лаборатории многоволновых сейсмических исследований Института нефтегазовой геологии и геофизики СО РАН. Основные научные интересы: исследования в области разработки алгоритмов обработки данных сейсморазведки.630090, Новосибирск, просп. Акад. Коптюга, 3</p></bio><bio xml:lang="en"><p>Koptyug Ave., 3, Novosibirsk, 630090</p></bio><email xlink:type="simple">ProtasovMI@ipgg.sbras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics SB RAS<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>4</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Неклюдов Д.А., Протасов М.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Неклюдов Д.А., Протасов М.И.</copyright-holder><copyright-holder xml:lang="en">Neklyudov D.A., Protasov M.I.</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/156">https://www.rjgt.ru/jour/article/view/156</self-uri><abstract><p>В работе рассмотрен метод для расчета частотно-зависимых лучей, который позволяет просто и эффективно аппроксимировать распространение широкополосного сигнала. Проведен сравнительный анализ этого метода со стандартным лучевым и конечно-разностным методами в задачах расчета времен пробега и расчета волновых полей в сложноустроенных средах. Показана его перспективность для решения задач сейсмики.</p></abstract><trans-abstract xml:lang="en"><p>In this paper we consider a method for calculating frequency-dependent rays, which allows to approximate effectively the propagation of a broadband signal. A comparative analysis of this method with the standard ray method and the finite-difference method is carried out. It is shown to be promising for solving seismic problems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Лучевой метод</kwd><kwd>частотно-зависимые лучи</kwd><kwd>моделирование волновых полей</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ray method</kwd><kwd>frequency dependent rays</kwd><kwd>wavefield modelling</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено при финансовой поддержке РФФИ и ЧНФ в рамках научного проекта № 20-55-26003.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The reported study was funded by RFBR and GACR, project number 20-55-26003.</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">Бабич В.М., Булдырев В.С. Асимптотические методы в задачах дифракции коротких волн. – М.: Наука, 1972. – 456 с.</mixed-citation><mixed-citation xml:lang="en">Babich V.M., Buldyrev V.S. Asymptotical methods in problems of short-wavelength diffraction [in Russian]. – Nauka, Moscow, 1972.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Гадыльшин К.Г., Протасов М.И. Построение точных частотно-зависимых лучей при известном решении уравнения Гельмгольца // Вычислительные методы и программирование: Новые вычислительные технологии. – 2015. – № 4. – С. 586–594.</mixed-citation><mixed-citation xml:lang="en">Bube K.P., Washbourne J.K. Wave tracing: Ray tracing for the propagation of band-limited signals: Part 1 – Theory // Geophysics. – 2008. – Vol. 73 (5). – P. VE377–VE384, doi: 10.1190/1.2963514.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Кравцов Ю.А., Орлов Ю.И. Геометрическая оптика неоднородных сред. – М.: Наука, 1980. – 306 с.</mixed-citation><mixed-citation xml:lang="en">Červeny V., Soares J.E.P. Fresnel volume ray tracing // Geophysics. – 1992. – Vol. 57 (7). – P. 902–915, doi: 10.1190/1.1443303.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Протасов М.И., Гадыльшин К.Г. "Точные" частотно-зависимые лучи в акустической среде и их свойства // Доклады РАН. – 2018. – Т. 482, № 5. – С. 587–592.</mixed-citation><mixed-citation xml:lang="en">Červeny V., Molotkov I.A., Psencik I. Ray theory in seismology. – Charles University Press, 1977.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Протасов М.И., Осипов К.С. Частотно-зависимое лучевое трассирование для неплоских границ // Технологии сейсморазведки. – 2014. – № 3. – С. 25–31.</mixed-citation><mixed-citation xml:lang="en">Gadylshin K., Protasov M. Construction of exact frequency-dependent rays with the known solution of the Helmholtz equation // Computational Methods and Programming: New Computational Technologies. – 2015. – Vol. 4. – P. 586–594.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Bube K.P., Washbourne J.K. Wave tracing: Ray tracing for the propagation of band-limited signals: Part 1 – Theory // Geophysics. – 2008. – Vol. 73 (5). – P. VE377–VE384, doi: 10.1190/1.2963514.</mixed-citation><mixed-citation xml:lang="en">Kravtsov Y.A., Orlov Y.I. Geometrical optics of inhomogeneous media [in Russian]. – Nauka, Moscow, 1980.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Červeny V., Soares J.E.P. Fresnel volume ray tracing // Geophysics. – 1992. – Vol. 57 (7). – P. 902–915, doi: 10.1190/1.1443303.</mixed-citation><mixed-citation xml:lang="en">Lomax A. The wavelength-smoothing method for approximating broad-band wave propagation through complicated velocity structures // Geophysical Journal International. – 1994. – Vol. 117 (2). – P. 313–334, doi: 10.1111/j.1365-246X.1994.tb03935.x.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Červeny V., Molotkov I.A., Psencik I. Ray theory in seismology. – Charles Univeresity Press, 1977.</mixed-citation><mixed-citation xml:lang="en">Operto M.S., Xu S., Lambaré G. Can we quantitatively image complex structures with rays? // Geophysics. – 2000. – Vol. 65 (4). – P. 1223–1238, doi: 10.1190/1.1444814.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Lomax A. The wavelength-smoothing method for approximating broad-band wave propagation through complicated velocity structures // Geophysical Journal International. – 1994. – Vol. 117 (2). – P. 313–334, doi: 10.1111/j.1365-246X.1994.tb03935.x.</mixed-citation><mixed-citation xml:lang="en">Protasov M., Osypov K. Frequency dependent ray tracing for irregular boundaries // Seismic Technologies. – 2014. – Vol. 3. – P. 25–31.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Operto M.S., Xu S., Lambaré G. Can we quantitatively image complex structures with rays? // Geophysics. – 2000. – Vol. 65 (4). – P. 1223–1238, doi: 10.1190/1.1444814.</mixed-citation><mixed-citation xml:lang="en">Protasov M.I., Gadylshin K.G. "Exact" frequency-dependent rays in acoustic media and their properties // Doklady Earth Sciences. – 2018. – Vol. 482 (5). – P. 1339–1344, doi: 10.1134/S1028334X1810015X.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Thierry P., Operto S., Lambaré G. Fast 2-D ray+Born migration/inversion in complex media // Geophysics. –1999. – Vol. 64 (1). – P. 162–181, doi: 10.1190/1.1444513.</mixed-citation><mixed-citation xml:lang="en">Thierry P., Operto S., Lambaré G. Fast 2-D ray+Born migration/inversion in complex media // Geophysics. –1999. – Vol. 64 (1). – P. 162–181, doi: 10.1190/1.1444513.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Vasco D.W., Peterson J.E., Majer E.L. Beyond ray tomography: Wavepaths and Fresnel volumes // Geophysics. – 1995. – Vol. 60 (6). – P. 1790–1804, doi: 10.1190/1.1443912.</mixed-citation><mixed-citation xml:lang="en">Vasco D.W., Peterson J.E., Majer E.L. Beyond ray tomography: Wavepaths and Fresnel volumes // Geophysics. – 1995. – Vol. 60 (6). – P. 1790–1804, doi: 10.1190/1.1443912.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
