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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">mireabulletin</journal-id><journal-title-group><journal-title xml:lang="ru">Russian Technological Journal</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Technological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-3210</issn><issn pub-type="epub">2500-316X</issn><publisher><publisher-name>RTU MIREA</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2500-316X-2020-8-3-33-47</article-id><article-id custom-type="elpub" pub-id-type="custom">mireabulletin-223</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>СОВРЕМЕННЫЕ РАДИОТЕХНИЧЕСКИЕ И ТЕЛЕКОММУНИКАЦИОННЫЕ СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MODERN RADIO ENGINEERING AND TELECOMMUNICATION SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Моделирование фазового метода подавления зеркального канала приема</article-title><trans-title-group xml:lang="en"><trans-title>Simulation of the image rejection phase method</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8630-5109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вишняков</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Vishnyakov</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вишняков Рустам Рустамович - аспирант кафедры радиоэлектронные системы и комплексы Института радиотехнических и телекоммуникационных систем.</p><p>119454, Москва, пр-т Вернадского, д. 78.</p></bio><bio xml:lang="en"><p>Rustam R. Vishnyakov - Postgraduate student of Department of Radio Electronic Systems and Complexes, Institute of Radio Engineering and Telecommunication Systems, MIREA - Russian Technological University.</p><p>78, Vernadskogo, Moscow, 119454.</p></bio><email xlink:type="simple">rustamvishnyakov0955@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА - Российский технологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA - Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2020</year></pub-date><volume>8</volume><issue>3</issue><fpage>33</fpage><lpage>47</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вишняков Р.Р., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Вишняков Р.Р.</copyright-holder><copyright-holder xml:lang="en">Vishnyakov R.R.</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://www.rtj-mirea.ru/jour/article/view/223">https://www.rtj-mirea.ru/jour/article/view/223</self-uri><abstract><p>В работе была показана алгоритмическая возможность подавления зеркального канала приема фазовым методом, приведены основные выходные параметры схем, реализующих данный метод, приведена математическая модель, позволяющая оценить избирательность как функцию от дисбаланса фаз и амплитуд плечей схемы, проведено математическое и системотехническое моделирование. Результаты различных способов моделирования совпадают, что свидетельствует о верности математической модели и подтверждает техническую возможность реализации фазового метода подавления зеркального канала. На основе данной модели возможно обеспечение высокого уровня подавления (не менее 40 дБ) зеркального канала путем амплитудной и фазовой компенсации квадратурных плечей схемы. Приведена зависимость уровня шумов на выходе схемы фазового подавления зеркального канала как функции от частотных характеристик ее элементов. Результаты настоящей работы могут быть использованы при дальнейшей практической реализации представленного метода на этапе выбора элементов на основе анализа их характеристик. По приведенным математическим моделям и характеристикам выбранных элементов, для практической реализации схемы, можно оценить уровень подавления зеркального канала, уровень шумов на выходе схемы фазового подавления зеркального канала и отношение сигнал-помеха. На практическом примере реализации рассматриваемого метода показано влияние широкополосности фазовращателей на уровень шумов. Показано, что обеспечение высокого уровня избирательности с целью минимизации уровня шумов зеркального канала целесообразно только до некоторых значений (около 25 дБ). Дальнейшее улучшение избирательности, например, минимизацией фазового и амплитудного балансов, или взаимная компенсация дисбалансов плечей смесителя и фазовращателя необходима при наличии требований к увеличению отношения сигнал-помеха. Показано, что при амплитудном дисбалансе схемы до 1 дБ и фазовом дисбалансе до 5 град. в требуемой частотной полосе, возможно обеспечение избирательности до 25 дБ и снижение уровня шумов на 2.5-3 дБ.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers the algorithmic possibility of the image rejection method. The main resulting characteristics of circuits implementing the above method are presented. The simulation model allows estimating the selectivity coefficient as a function of the phase and amplitude imbalance of the circuit branches. Mathematical and circuit simulations were conducted. The results of different modeling methods coincide, and the simulation results verify the possibility of implementing the image rejection method. On the basis of this model it is possible to provide a high level (at least 40 dB) of image rejection by amplitude and phase circuit imbalance compensation. The dependence of the noise level at the output of the image rejection circuit as a function of the circuit elements frequency characteristics is given. The results of this work could be used for further practical implementation of above mentioned method at the stage of selecting elements based on an analysis of their characteristics. The simulation model could be used to select required radioelements and to estimate image rejection level. It is possible to estimate the level of image channel suppression, the noise level and the signal-to-noise ratio at the output of the image rejection circuit by using the above mentioned mathematical models and characteristics of the selected elements for practical implementation of the circuit. The effect of the broadband phase shifters on the noise level is considered with the implementation of the above method as an example. It was shown that ensuring a high level of selectivity in order to minimize the noise level of the image channel is advisable only up to some values (about 25 dB). Further improvement of selectivity, for example, by minimizing the phase and amplitude balances, or mutual compensation of the mixer and phase shifter branch imbalances are necessary, if there are requirements for increasing the signal-to-noise ratio. It is shown that it is possible to ensure selectivity of up to 25 dB and a noise level reduction of 2.5-3 dB if the amplitude imbalance of the circuit is up to 1 dB, and the phase imbalance is up to 5 deg. in the required frequency band.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>зеркальный канал приема</kwd><kwd>фазовый метод подавления зеркального канала</kwd><kwd>супергетеродинный приемник</kwd><kwd>математическая модель</kwd><kwd>фаза сигнала</kwd><kwd>гармонические составляющие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>image channel</kwd><kwd>phase method of image rejection</kwd><kwd>super heterodyne</kwd><kwd>simulation model</kwd><kwd>signal phase</kwd><kwd>harmonic component</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">Haruoka M., Utsurogi Y., Matsuoka T., Taniguchi K. A Dual-band Image-reject Mixer for GPS with 64dB Image Rejection. 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