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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">izmertech-688</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>ОБЩИЕ ВОПРОСЫ МЕТРОЛОГИИ И ИЗМЕРИТЕЛЬНОЙ ТЕХНИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GENERAL PROBLEMS OF METROLOGY AND MEASUREMENT TECHNIQUES</subject></subj-group></article-categories><title-group><article-title>Алгоритмы определения оценок спектральных характеристик помехи зашумлённых сигналов</article-title><trans-title-group xml:lang="en"><trans-title></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>Алиев</surname><given-names>Т. А.</given-names></name></name-alternatives><email xlink:type="simple">director@cyber.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>Рзаева</surname><given-names>Н. Э.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт систем управления НАН Азербайджана</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Азербайджанский университет архитектуры и строительства</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>5</issue><fpage>18</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/688">https://www.izmt.ru/jour/article/view/688</self-uri><abstract><p>Предложены алгоритмы определения оценок спектральных характеристик помехи зашумлённых сигналов и технологии замены неподдающихся измерению отсчётов помехи их приближёнными эквивалентными значениями. Показана возможность применения указанных алгоритмов и технологий для повышения достоверности результатов спектрального анализа зашумлённого сигнала и мониторинга начала изменения технического состояния объектов контроля.</p></abstract><trans-abstract xml:lang="en"><p>Algorithms and technologies for replacing unmeasurable samples of the noise with their approximate equivalent values are proposed; the possibility of using them to increase the reliability of the results of spectral analysis of the noisy signal and to determine the estimates of the spectral characteristics of the noise in monitoring the beginning of changes in the technical condition of control objects is shown.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>помеха</kwd><kwd>зашумлённый сигнал</kwd><kwd>спектральный анализ</kwd><kwd>спектральные характеристики</kwd><kwd>системы контроля</kwd><kwd>диагностика</kwd><kwd>мониторинг</kwd><kwd>noise</kwd><kwd>noisy signal</kwd><kwd>spectral analysis</kwd><kwd>spectral characteristics</kwd><kwd>control systems</kwd><kwd>diagnostics</kwd><kwd>monitoring</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">Солодовников В. 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