<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</issn><publisher><publisher-name xml:lang="en">Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">8479</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">A Study of Impedance, Frequency and Parametric Excitation of Oscillators</article-title><trans-title-group xml:lang="ru"><trans-title>Изучение параметрического возбуждения осцилляторов в зависимости от импеданса и частоты</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gevorkyan</surname><given-names>M N</given-names></name><name xml:lang="ru"><surname>Геворкян</surname><given-names>М Н</given-names></name></name-alternatives><bio xml:lang="en">Кафедра систем телекоммуникаций; Российский университет дружбы народов; Peoples' Friendship University of Russia</bio><bio xml:lang="ru">Кафедра систем телекоммуникаций; Российский университет дружбы народов</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulyabov</surname><given-names>D S</given-names></name><name xml:lang="ru"><surname>Кулябов</surname><given-names>Д С</given-names></name></name-alternatives><bio xml:lang="en">Кафедра систем телекоммуникаций; Российский университет дружбы народов; Peoples' Friendship University of Russia</bio><bio xml:lang="ru">Кафедра систем телекоммуникаций; Российский университет дружбы народов</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sevastyanov</surname><given-names>L A</given-names></name><name xml:lang="ru"><surname>Севастьянов</surname><given-names>Л А</given-names></name></name-alternatives><bio xml:lang="en">Кафедра систем телекоммуникаций; Российский университет дружбы народов; Peoples' Friendship University of Russia</bio><bio xml:lang="ru">Кафедра систем телекоммуникаций; Российский университет дружбы народов</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples' Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2009-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2009</year></pub-date><issue>4</issue><issue-title xml:lang="en">NO4 (2009)</issue-title><issue-title xml:lang="ru">№4 (2009)</issue-title><fpage>56</fpage><lpage>62</lpage><history><date date-type="received" iso-8601-date="2016-09-08"><day>08</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2009, Геворкян М.Н., Кулябов Д.С., Севастьянов Л.А.</copyright-statement><copyright-year>2009</copyright-year><copyright-holder xml:lang="ru">Геворкян М.Н., Кулябов Д.С., Севастьянов Л.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/miph/article/view/8479">https://journals.rudn.ru/miph/article/view/8479</self-uri><abstract xml:lang="en">One dimensional and tow dimensional harmonic oscillators are described. According to B. I. Zeldovich article the definition of impedance is introduced. Exploration of small parametric oscillations of impedance and frequency is made. By numerical solution of lineal ODE systems (for 1D and 2D case) it was shown, that impedance plays the key role in the parametric resonance phenomena.</abstract><trans-abstract xml:lang="ru">В статье проведено исследование зависимости решений уравнений Гамильтона для гармонического осциллятора от циклической частоты и импеданса. Проведён численный анализ, а также получено аналитическое решение, подтверждающее численные результаты.</trans-abstract><kwd-group xml:lang="en"><kwd>harmonic oscillator</kwd><kwd>parametric resonance</kwd><kwd>impedance</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>импеданс</kwd><kwd>циклическая частота</kwd><kwd>осциллятор</kwd><kwd>параметрический резонанс</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Зельдович Б. Я. Импеданс и параметрическое возбуждение осцилляторов // УФН. - 2008.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Степанов В.В. Курс дифференциальных уравнений. - Едиториал УРСС, 2004.</mixed-citation></ref></ref-list></back></article>
