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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">pribor</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Instrument Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3454</issn><issn pub-type="epub">2500-0381</issn><publisher><publisher-name>Национальный исследовательский университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/0021-3454-2025-68-6-520-525</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-383</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>МЕТОДЫ И ПРИБОРЫ ДЛЯ АНАЛИЗА И КОНТРОЛЯ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Использование многополосного лидара дифференциального поглощения для раннего обнаружения лесных пожаров</article-title><trans-title-group xml:lang="en"><trans-title>Using a Multi-band Differential Absorption Lidar for Early Detection of Forest Fires</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>Джавадов</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Javadov</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Натиг Гаджи оглы Джавадов — д-р техн. наук, профессор; генеральный директор,</p><p>Баку.</p></bio><bio xml:lang="en"><p>Natig G. Javadov - Dr. Sci., Professor; Director General,</p><p>Baku.</p></bio><email xlink:type="simple">nasa@mdi.gov.az</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>Асадов</surname><given-names>Х. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Asadov</surname><given-names>H. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хикмет Гамид оглы Асадов — д-р техн. наук, профессор; НИИ Аэрокосмической информатики, отдел атмосферных исследований, нач. отдела,</p><p>Баку.</p></bio><bio xml:lang="en"><p>Hickmet G. Asadov - Dr. Sci., Professor; Department of Atmospheric Research, Head of the Department,</p><p>Baku.</p></bio><email xlink:type="simple">asadzade@rambler.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>Байрамов</surname><given-names>Г. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Bayramov</surname><given-names>H. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусейн Закир оглы Байрамов — аспирант,</p><p>Баку.</p></bio><bio xml:lang="en"><p>Huseyn Z. Bayramov - Post-Graduate Student,</p><p>Baku.</p></bio><email xlink:type="simple">huseyn.bayramov0288@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальное Аэрокосмическое Агентство</institution></aff><aff xml:lang="en"><institution>Azerbaijan National Aerospace Agency</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>17</day><month>07</month><year>2025</year></pub-date><volume>68</volume><issue>6</issue><fpage>520</fpage><lpage>525</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Национальный исследовательский университет ИТМО</copyright-holder><copyright-holder xml:lang="en">Национальный исследовательский университет ИТМО</copyright-holder><license xlink:href="https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://pribor.ifmo.ru/jour/article/view/383">https://pribor.ifmo.ru/jour/article/view/383</self-uri><abstract><p>Предложен метод, предполагающий адаптивное изменение мощности лазера в зависимости от размера исследуемого участка леса для раннего обнаружения возгораний. Проведена оптимизация предлагаемого метода в отношении поиска такой зависимости мощности от расстояния, при которой минимизируется определяемая концентрация искомого вещества — продукта горения. С учетом ограничения выделяемого для такого мониторинга энергоресурса получена функциональная зависимость оптимальной мощности зондирующего излучения от расстояния до объекта, при которой порог регистрации концентрации продуктов горения достигает наименьшего значения.</p></abstract><trans-abstract xml:lang="en"><p>A method is proposed that involves adaptive change of laser power depending on the size of the forest area under study for early detection of forest fires. The proposed method is optimized in relation to finding such a power-distance dependence that minimizes the detectable concentration of the sought substance — the combustion product. Taking into account the limitation of the energy resource allocated for such monitoring, a functional dependence of the optimal power of the probing radiation on the distance to the object is obtained, at which the threshold for recording the concentration of combustion products reaches the lowest value.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пожары</kwd><kwd>дифференциальный абсорбционный лидар</kwd><kwd>мониторинг</kwd><kwd>оптимизация</kwd><kwd>энергоресурс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fires</kwd><kwd>differential absorption lidar</kwd><kwd>monitoring</kwd><kwd>optimization</kwd><kwd>energy resource</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">Hamilton P. M. The application of a pulsed-light ranger finder (Lidar) to the study of chimney plumes // Phil. Trans. Roy. Soc. Lond. A. 1969. Vol. 265. 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