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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">vestnovsu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Новгородского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik of Novgorod State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2076-8052</issn><publisher><publisher-name>Новгородский государственный университет имени Ярослава Мудрого</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34680/2076-8052.2024.3(137).478-488</article-id><article-id custom-type="elpub" pub-id-type="custom">vestnovsu-350</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>РАДИОТЕХНИКА И СВЯЗЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADIOTECHNICS AND TELECOMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Компенсация эффекта нарцисса для оптической системы с переменным фокусным расстоянием при различных дистанциях фокусировки</article-title><trans-title-group xml:lang="en"><trans-title>Compensation of narcissus effect for an optical system with variable focal length for different focusing distances</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5205-5252</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гарбарь</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Garbar</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гарбарь Сергей Владиславович – ведущий инженер.</p><p>Великий Новгород</p></bio><bio xml:lang="en"><p>Veliky Novgorod</p></bio><email xlink:type="simple">Sergey.Garbar@novsu.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/0009-0001-7731-4900</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ласков</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Laskov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ласков Илья Анатольевич – инженер.</p><p>Великий Новгород</p></bio><bio xml:lang="en"><p>Veliky Novgorod</p></bio><email xlink:type="simple">laskovi.workmail@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>АО «ЭЛСИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “ELSI”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>13</day><month>03</month><year>2025</year></pub-date><volume>0</volume><issue>3(137)</issue><fpage>478</fpage><lpage>488</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гарбарь С.В., Ласков И.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Гарбарь С.В., Ласков И.А.</copyright-holder><copyright-holder xml:lang="en">Garbar S.V., Laskov I.A.</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://vestnovsu.elpub.ru/jour/article/view/350">https://vestnovsu.elpub.ru/jour/article/view/350</self-uri><abstract><p>Охлаждаемые инфракрасные детекторы зачастую подвержены эффекту Нарцисса. В работе рассмотрен алгоритмический подход к коррекции эффекта для оптической системы с переменным фокусным расстоянием при различных дистанциях фокусировки, основанный на интерполяции некоторого базового набора корректирующих кадров. Отдельно рассматривается интерполяция при изменении фокусного расстояния и при изменении дистанции фокусировки. Представлена процедура интерполяции при изменении обоих параметров. Описаны требования к базовому набору компенсирующих кадров. Рассмотрен пример применения алгоритма.</p></abstract><trans-abstract xml:lang="en"><p>Cooled infrared detectors are often subject to Narcissus effect. Article describes an algorithmic approach to its correction for an optical system with variable focus length for different focusing distances. It is based on interpolating of a small number of base correcting frames. Procedures of interpolation for the case of changing only focus length or only focusing distance are described. Procedure for the case of changing the both parameters simultaneously is also presented. Requirements for base set of correcting frames are described. An example of algorithm application is also presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эффект Нарцисса</kwd><kwd>инфракрасный детектор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Narcissus effect</kwd><kwd>infrared detector</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают глубокую признательность коллегам из сектора прикладного программного обеспечения за плодотворные дискуссии и ценные замечания</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">Lau A. S. The Narcissus Effect In Infrared Optical Scanning Systems // Stray Light Problems in Optical Systems; Proceedings of the Seminar, Reston, Va., April 18-21, 1977 / Edited by J.D. Lytle, H. Morrow. 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