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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">novtexmech</journal-id><journal-title-group><journal-title xml:lang="ru">Мехатроника, автоматизация, управление</journal-title><trans-title-group xml:lang="en"><trans-title>Mekhatronika, Avtomatizatsiya, Upravlenie</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1684-6427</issn><issn pub-type="epub">2619-1253</issn><publisher><publisher-name>Commercial Publisher «New Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17587/mau.23.125-131</article-id><article-id custom-type="elpub" pub-id-type="custom">novtexmech-1146</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>СИСТЕМНЫЙ АНАЛИЗ, УПРАВЛЕНИЕ И ОБРАБОТКА ИНФОРМАЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SYSTEM ANALYSIS, CONTROL AND INFORMATION PROCESSING</subject></subj-group></article-categories><title-group><article-title>Алгоритм идентификации параметров синусоидального сигнала с экспоненциально затухающей амплитудой</article-title><trans-title-group xml:lang="en"><trans-title>Algorithm for Identifi cation of Parameters Sinusoidal Signal with the Exponentially Damping Amplitude</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>Тунг</surname><given-names>Нгуен Хак</given-names></name><name name-style="western" xml:lang="en"><surname>Tung</surname><given-names>Nguyen Khac</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Nguyen Khac Tung, Postgraduate Student</p><p> St. Petersburg</p></bio><email xlink:type="simple">nguyenkhactunghvhq1994@gmail.com</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>Власов</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlasov</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доц.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p> St. Petersburg</p></bio><email xlink:type="simple">smvlasov@itmo.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>Пыркин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pyrkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р тех. наук, проф.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p> St. Petersburg</p></bio><email xlink:type="simple">pyrkin@itmo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>06</day><month>03</month><year>2022</year></pub-date><volume>23</volume><issue>3</issue><fpage>125</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Commercial Publisher «New Technologies», 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Commercial Publisher «New Technologies»</copyright-holder><copyright-holder xml:lang="en">Commercial Publisher «New Technologies»</copyright-holder><license xlink:href="https://mech.novtex.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://mech.novtex.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://mech.novtex.ru/jour/article/view/1146">https://mech.novtex.ru/jour/article/view/1146</self-uri><abstract><p>Предлагается новый метод оценки параметров несмещенного синусоидального сигнала с экспоненциально затухающей амплитудой. Сигналы данного типа могут наблюдаться в широком диапазоне природных явлений, таких как распространение акустических волн, а также могут характеризовать сложное взаимодействие между компонентами энергосистем. Поэтому, на взгляд авторов, задача оценивания параметров синусоидальных сигналов с экспоненциально затухающей амплитудой является актуальной в настоящее время. Предполагается, что фаза, частота, коэффициент затухания амплитуды сигнала являются неизвестными функциями времени. Предлагается новый метод для параметризации синусоидального сигнала с экспоненциально затухающей амплитудой. На первом этапе сигнал представлен как выход линейного генератора, параметры затухающего синусоидального сигнала (амплитуда, фаза, коэффициент затухания и частота) неизвестны. Далее применяется жорданова форма матрицы и запаздывания для преобразования измеряемого сигнала, затем выводится линейная регрессионная модель, которая зависит от частоты и коэффициента затухания. На последнем этапе неизвестные параметры (частота, коэффициент затухания) рассчитываются из полученных моделей линейной регрессии. Численное моделирование демонстрирует эффективность предложенного алгоритма.</p></abstract><trans-abstract xml:lang="en"><p>The paper proposes a new method for estimating the parameters of an unbiased sinusoidal signal with the exponentially damping amplitude: frequency, damping coefficient. A sinusoidal signal with exponentially damping amplitude is an important class that can be observed in a wide range of natural phenomena, such as the propagation of acoustic waves, and can also characterize the behavior of artificial systems, arising, for example, as a result of complex interactions between the components of power systems, therefore the task of estimating parameters is sinusoidal. signal with exponentially decaying amplitude is relevant at the present time. It is assumed that the phase, frequency, damping factor and amplitude of a sinusoidal signal with exponentially decaying amplitude are unknown functions of time. In the present work, a new method is proposed for parameterizing a sinusoidal signal with exponentially decaying amplitude. First, a sinusoidal signal with exponentially decaying amplitude is presented as the output of a linear generator, the parameters of the decaying sinusoidal signal (amplitude, phase, damping factor and frequency) are unknown. Then the Jordan form of the matrix and the delay are applied to transform the measured signal, then a linear regression model is obtained, which depends on the frequency and the attenuation coefficient. At the last stage, unknown parameters (frequency, attenuation coefficient) are calculated from the obtained linear regression model. Numerical modeling demonstrates the effectiveness of the proposed methodology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>синусоидальные сигналы</kwd><kwd>идентификация</kwd><kwd>жорданова форма матрицы</kwd><kwd>частота</kwd><kwd>коэффициент затухания</kwd><kwd>линейная регрессионная модель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sinusoidal signal</kwd><kwd>identification</kwd><kwd>Jordan form of the matrix</kwd><kwd>frequency</kwd><kwd>damping factor</kwd><kwd>linear regression model</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">Пыркин А. А., Бобцов А. А., Ведяков А. А., Колюбин С. А. Оценивание параметров полигармонического сигнала // Автоматика и телемеханика. 2015. № 8. С. 94—114.</mixed-citation><mixed-citation xml:lang="en">Pyrkin A. A., Bobtsov A. A., Vedyakov A. A., Kolyubin S. A. 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