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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">radioelectronics</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений России. Радиоэлектроника</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of the Russian Universities. Radioelectronics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1993-8985</issn><issn pub-type="epub">2658-4794</issn><publisher><publisher-name>Saint Petersburg Electrotechnical University</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">radioelectronics-170</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>РАДИОТЕХНИЧЕСКИЕ СРЕДСТВА ПЕРЕДАЧИ, ПРИЕМА И ОБРАБОТКИ СИГНАЛОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADIO ELECTRONIC FACILITIES FOR SIGNAL TRANSMISSION, RECEPTION AND PROCESSING</subject></subj-group></article-categories><title-group><article-title>Анализ систем обработки многочастотных сигналов</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of Multi-Frequency Signal Processing Systems</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>Попов</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук (1990), профессор (1992) кафедры радиотехниче­ ских систем</p></bio><bio xml:lang="en"><p>D.Sc. in Engineering (1990), Professor (1992) of the Department of Radio Equipment Systems</p></bio><email xlink:type="simple">adop@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Рязанский государственный радиотехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ryazan State Radio Engineering University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2017</year></pub-date><volume>0</volume><issue>3</issue><fpage>10</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Попов Д.И., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Попов Д.И.</copyright-holder><copyright-holder xml:lang="en">Popov D.I.</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://re.eltech.ru/jour/article/view/170">https://re.eltech.ru/jour/article/view/170</self-uri><abstract><p>Проведен сравнительный анализ характеристик систем межпериодной обработки многочастотного сигнала на фоне пассивных помех для различных вариантов объединения частотных каналов при когерентном режектировании помех и последующем некогерентном накоплении остатков режектирования.</p></abstract><trans-abstract xml:lang="en"><p>A processing system of multi-frequency signals on the background of correlated (passive) interference is considered. The article presents a comparative analysis of characteristics of multi-processing systems of interperiod processing with various multiplex systems on coherent rejection of interference and subsequent non-coherent accumulation of rejection results. The criteria used in the analysis are high-speed and power characteristics as well as processing system detection characteristics. The analysis of the various options for building of multi-frequency interperiod processing systems with non-coherent accumulation makes it possible to evaluate the advantages and disadvantages of these systems. Frequently practiced algorithm of interference rejection after multiplexing provides the best speed performance, but it gives way to the schemes carrying out interference separate rejection in each frequency channel, which, in turn, can significantly improve signal detection conditions for blind target speeds as compared to single frequency systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Доплеровская фаза</kwd><kwd>многочастотные сигналы</kwd><kwd>обработка сигналов</kwd><kwd>пассивные помехи</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Doppler Phase</kwd><kwd>Multifrequency Signals</kwd><kwd>Signals Processing</kwd><kwd>Clutter</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">Radar Handbook / ed. by M. I. Skolnik. 3rd ed. McGraw-Hill, 2008. 1352 p.</mixed-citation><mixed-citation xml:lang="en">Radar Handbook; ed. by M. I. Skolnik. 3rd ed. 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