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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 pub-id-type="doi">10.32603/1993-8985-2020-23-6-17-27</article-id><article-id custom-type="elpub" pub-id-type="custom">radioelectronics-475</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>РАДИОЛОКАЦИЯ И РАДИОНАВИГАЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADAR AND NAVIGATION</subject></subj-group></article-categories><title-group><article-title>Точность местоопределения наземных источников, использующих геостационарные ретрансляторы</article-title><trans-title-group xml:lang="en"><trans-title>Accuracy of Positioning of Ground Sources Using Geostationary Repeaters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5196-1213</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Галл</surname><given-names>Р. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Gall</surname><given-names>R. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галл Роман Даниилович – магистр по направлению "Инфокоммуникационные технологии и системы связи" Санкт-Петербургского политехнического университета Петра Великого (2017), аспирант Санкт-Петербургского государственного электротехнического университета "ЛЭТИ" (направление "Электроника, радиотехника и системы связи"), инженер-программист ООО НПП "НТТ", главный алгоритмист отдела геолокации. Сфера научных интересов - радиолокация, радионавигация, радиотехника, обработка сигналов. </p><p>ул. Софьи Ковалевской, д. 20, корп. 1, лит. А, пом. 22Н, Санкт-Петербург, 195256</p></bio><bio xml:lang="en"><p>Roman D. Gall, Master in the direction of "Infocommunication technologies and communication systems" of Peter the Great St. Petersburg Polytechnic University (2017), post-graduate student of the Saint Petersburg Electrotechnical University "LETI" (direction "Electronics, radio engineering and communication systems"), engineer-programmer of "New Telecommunication Technologies" RPE Co.Ltd., chief algorithmist of the Geolocation Department. Area of expertise: radiolocation, radio navigation, radio engineering, signal processing.</p><p>20 A, Sofia Kovalevskaya St., Bld. 1, Room 22H, St Petersburg 195256</p></bio><email xlink:type="simple">roman942010@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО Научно-производственное предприятие "Новые технологии телекоммуникаций"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>"New Telecommunication Technologies" RPE Co. Ltd.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2020</year></pub-date><volume>23</volume><issue>6</issue><fpage>17</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Галл Р.Д., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Галл Р.Д.</copyright-holder><copyright-holder xml:lang="en">Gall R.D.</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/475">https://re.eltech.ru/jour/article/view/475</self-uri><abstract><sec><title>Введение</title><p>Введение. В настоящее время наблюдается значительное увеличение количества спутников-ретрансляторов на геостационарной орбите, при этом часто фиксируются случаи незаконного использования частотного ресурса таких спутников, а также непреднамеренного и преднамеренного создания помех другим пользователям. В связи с этим возникает необходимость оценки точности и применимости различных методов определения местоположения источников нелегального и помехового радиоизлучения при различных параметрах сигналов и различной степени неопределенности относительно координат и векторов скорости спутников-ретрансляторов.</p></sec><sec><title>Цель работы</title><p>Цель работы. Исследование и оценка точности методов геолокации источников радиоизлучения (ИРИ), работающих через геостационарные спутники-ретрансляторы, при различных параметрах сигналов геолоцируемых ИРИ и различной степени априорной неопределенности относительно координат и векторов скорости спутников-ретрансляторов.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Используются метод имитационного моделирования и теория цифровой обработки сигналов.</p></sec><sec><title>Результаты</title><p>Результаты. Рассмотрены факторы, влияющие на точность оценки параметров TDOA (Тime Difference of Arrival) и FDOA (Frequency Difference of Arrival) при определении местоположения (ОМП) ИРИ, работающих через спутники-ретрансляторы, расположенные на геостационарной орбите. В результате имитационного моделирования получена оценка точности рассмотренных методов геолокации в зависимости от ширины полосы сигнала ИРИ, длительности записи и степени априорной неопределенности относительно координат и векторов скорости спутников-ретрансляторов. Сформулированы рекомендации по применению рассмотренных методов в различных условиях.</p></sec><sec><title>Заключение</title><p>Заключение. Выводы и рекомендации, сформулированные в результате исследования, позволят в зависимости от конкретных условий и параметров сигналов выбирать наиболее подходящий метод геолокации для повышения точности ОМП ИРИ.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Currently, there is a significant increase in the number of relay satellites in geostationary orbit. However, frequent incidents of illegal use of the satellites frequency resource, as well as unintentional and deliberate interference with other users are fixed. In this regard, it becomes necessary to evaluate accuracy and applicability of various methods for determining the location of sources of illegal and interfering radio emission with different signal parameters and with different levels of uncertainty for relay satellite coordinates and velocities.</p></sec><sec><title>Aim</title><p>Aim. To study and to evaluate the accuracy of methods of geolocation of radio emission sources operating through geostationary relay satellites, with different signal parameters and with different levels of uncertainty for relay satellite coordinates and velocities.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Imitation modeling and the theory of digital signal processing were used.</p></sec><sec><title>Results</title><p>Results. Factors influencing the accuracy of the estimation of TDOA and FDOA parameters when determining the position of radio emission sources, which operate via relay satellites located in geostationary orbit, were considered. As a result of simulation, the estimate of the accuracy of the considered geolocation methods was obtained. It depends on the bandwidth of radio emission source signal, on the recording duration and on the level of a priori uncertainty relatively the relay satellites coordinates and velocities. Recommendations for the application of the considered methods in various conditions were formulated.</p></sec><sec><title>Conclusions</title><p>Conclusions. Conclusions and recommendations formulated as a result of the study, will allow one to choose the most appropriate geolocation method to improve the accuracy of radio emission sources locating depending on conditions and signal parameters.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>геолокация</kwd><kwd>определение местоположения</kwd><kwd>координатометрия</kwd><kwd>геостационарный спутник</kwd><kwd>метод TDOA-TDOA</kwd><kwd>метод TDOA-FDOA</kwd><kwd>метод FDOA-FDOA</kwd></kwd-group><kwd-group xml:lang="en"><kwd>geolocation</kwd><kwd>positioning</kwd><kwd>coordinate measurement</kwd><kwd>geostationary satellite</kwd><kwd>TDOA-TDOA method</kwd><kwd>TDOA-FDOA method</kwd><kwd>FDOA-FDOA method</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">Алгоритм определения координат земных станций по сигналам, спутников-ретрансляторов / Р. В. Волков, В. Н. Саяпин, В. В. 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