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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">dt</journal-id><journal-title-group><journal-title xml:lang="ru">Цифровая трансформация</journal-title><trans-title-group xml:lang="en"><trans-title>Digital Transformation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2522-9613</issn><issn pub-type="epub">2524-2822</issn><publisher><publisher-name>Educational Establishment “Belarusian State University of Informatics and Radioelectronics”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2022-28-4-62-71</article-id><article-id custom-type="elpub" pub-id-type="custom">dt-718</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Применение SDR-приемопередатчиков в системах для поиска закладных радиоустройств</article-title><trans-title-group xml:lang="en"><trans-title>The Use of SDR Transceivers in Systems for Searching Covert Radiodevices</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>Буневич</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bunevich</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Буневич М. А., научный сотрудник лаборатории «Материалы и элементы электронной и сверхпроводниковой техники»</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Bunevich M. A., Researcher at the Laboratory “Materials and Components of Electronics and Superconducting Equipment”</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>Майоров</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mayorov</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Майоров А. И., мл. научный сотрудник лаборатории «Материалы и элементы электронной и сверхпроводниковой техники»</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Mayorov A. I., Junior Researcher at the Laboratory “Materials and Components of Electronics and Superconducting Equipment”</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>Врублевский</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vrublevsky</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Врублевский Игорь Альфонсович, к. т. н., доцент, заведующий лабораторией «Материалы и элементы электронной и сверхпроводниковой техники»</p><p>220013, г. Минск, ул. П. Бровки, 6Тел. +375 17 293-89-40</p></bio><bio xml:lang="en"><p>Vrublevsky Igor Alphonsovich, Cand. of Sci., Associate Professor, Head of the Laboratory “Materials and Components of Electronics and Superconducting Equipment”</p><p>220013, Minsk, P. Brovka St., 6Tel. +375 17 293-89-40</p></bio><email xlink:type="simple">vrublevsky@bsuir.edu.by</email><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</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>02</month><year>2023</year></pub-date><volume>28</volume><issue>4</issue><fpage>62</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Буневич М.А., Майоров А.И., Врублевский И.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Буневич М.А., Майоров А.И., Врублевский И.А.</copyright-holder><copyright-holder xml:lang="en">Bunevich M.A., Mayorov A.I., Vrublevsky 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://dt.bsuir.by/jour/article/view/718">https://dt.bsuir.by/jour/article/view/718</self-uri><abstract><p>В рамках статьи рассмотрены вопросы построения и проектирования устройств, работающих по методу резонансно-рефлектометрической локации для поиска закладных радиоустройств. Описаны основные этапы проектирования прототипа устройства, работающего по методу резонансно-рефлектометрической локации. Представлены материалы анализа современных типов SDR-приемопередатчиков и их основных характеристик. Обоснован выбор типа SDR-приемопередатчика по технологии DDC (direct down conversion), в которой задачу по оцифровке сигнала с антенны выполняет ФЦП с большой частотой дискретизации. Приведены результаты исследований работы прототипа устройства на основе SDR-приемопередатчиков для поиска закладных радиоустройств. Полученные экспериментальные данные подтвердили, что характеристики современных SDR-приемопередатчиков, такие как быстродействие, чувствительность и рабочая полоса частот, полностью соответствуют требованиям, предъявляемым для проектирования резонансно-рефлектометрического локатора.</p></abstract><trans-abstract xml:lang="en"><p>The paper deals with the construction and design of devices operating by the method of resonance-reflectometric location to discover covert radio devices. The main stages of designing a prototype device operating by the method of resonance-reflectometric location are described. The materials of the analysis of modern types of SDR receivers and their main characteristics are presented. The choice of the SDR transceiver type based on the DDC technology (direct down conversion with frequency) is substantiated, in which the task to digitize the signal from the antenna is performed by the FTP with a high sampling rate. The results of the prototype device studies based on the SDR transceivers to search for covert radio devices are presented. The experimental results confirmed that the characteristics of modern SDR transceivers such as speed, sensitivity, and operating frequency bandwidth is fully consistent with the requirements for the design of resonant-reflectometer locator.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>резонансно-рефлектометрическая локация</kwd><kwd>закладное радиоустройство</kwd><kwd>SDR-приемопередатчик</kwd><kwd>поисковое устройство</kwd><kwd>имитатор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>resonant-reflectometric location</kwd><kwd>covert radio device</kwd><kwd>SDR transceiver</kwd><kwd>search device</kwd><kwd>simulator</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке стипендии Президента (Распоряжение Президента Республики Беларусь от 21.02.2022 № 32рп).</funding-statement><funding-statement xml:lang="en">The work was sponsored by the President’s scholarship (order of thePresident Republic of Belarus from 21.02.2022 No 32rp).</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">Торокин, А. 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