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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2024-22-4-38-45</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3954</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>Исследование логарифмической системы автоматической регулировки усиления</article-title><trans-title-group xml:lang="en"><trans-title>Study of Logarithmic System of Automatic Gain Control</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>Марчук</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchuk</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марчук Тимур Михайлович, аспирант,</p><p>220025, г. Минск, ул. Космонавтов, 38, к. 2</p><p>Тел.: +375 29 221-23-31.</p></bio><bio xml:lang="en"><p>Marchuk Timur Mikhailovich, Postgraduate Student,</p><p>38, Cosmonauts St., Minsk, 220025.</p><p>Phone: +375 29 221-23-31</p></bio><email xlink:type="simple">Timur23Martschuk@yandex.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>Денис</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Denis</surname><given-names>A. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис А. А., аспирант, </p><p>г. Минск.</p></bio><bio xml:lang="en"><p>Denis A. A., Postgraduate Student, </p><p>Minsk.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гринкевич</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grinkevich</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гринкевич А. В., канд. техн. наук, доц., доц. каф. информационных радиотехнологий, </p><p>г. Минск.</p></bio><bio xml:lang="en"><p>Grinkevich A. V., Cand. of Sci., Associate Professor, Associate Professor at the Department of Information Radiotechnologies, </p><p>Minsk.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники (БГУИР)</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics (BSUIR)</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>02</day><month>09</month><year>2024</year></pub-date><volume>22</volume><issue>4</issue><fpage>38</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марчук Т.М., Денис А.А., Гринкевич А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Марчук Т.М., Денис А.А., Гринкевич А.В.</copyright-holder><copyright-holder xml:lang="en">Marchuk T.M., Denis A.А., Grinkevich A.V.</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://doklady.bsuir.by/jour/article/view/3954">https://doklady.bsuir.by/jour/article/view/3954</self-uri><abstract><p>При работе радиолокационных станций на вход приемника поступают радиоимпульсы различной интенсивности в зависимости от типа цели, дальности до цели и других факторов. Регулировка усиления приемника необходима для настройки его чувствительности таким образом, чтобы обеспечить наилучший прием сигналов с амплитудами, изменяющимися в широких пределах. В статье рассмотрена логарифмическая система автоматической регулировки усиления, проведен анализ ее преимуществ и недостатков по сравнению с классической системой автоматической регулировки усиления, выполнено ее моделирование в графической среде программирования Matlab/Simulink.</p></abstract><trans-abstract xml:lang="en"><p>When radar stations operate, radio pulses of varying intensity are received at the receiver input depending on the type of target, range to the target and other factors. Adjusting the receiver gain is necessary to adjust its sensitivity in such a way as to provide the best reception of signals with amplitudes that vary widely. The article discusses a logarithmic automatic gain control system, analyzes its advantages and disadvantages compared to classical automatic gain control system, and performs its simulation in the graphical programming environment Matlab/Simulink.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>амплитудный детектор</kwd><kwd>система автоматической регулировки усиления</kwd><kwd>Matlab/Simulink</kwd></kwd-group><kwd-group xml:lang="en"><kwd>amplitude detector</kwd><kwd>automatic gain control system</kwd><kwd>Matlab/Simulink</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">Основы построения радиолокационных станций радиотехнических войск / В. Н. Тяпкин [и др.]. Красноярск: Сиб. федер. ун-т, 2011.</mixed-citation><mixed-citation xml:lang="en">Tyapkin V. N., Fomin A. N., Garin E. N., Fateev Yu. L., Berdyshev V. P., Nagovitsyn A. A., et al. 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