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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">tuzsut</journal-id><journal-title-group><journal-title xml:lang="ru">Труды учебных заведений связи</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Telecommunication Universities</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-324X</issn><issn pub-type="epub">2712-8830</issn><publisher><publisher-name>СПбГУТ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">tuzsut-240</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Оценка точности позиционирования объекта с помощью границы Крамера-Рао</article-title><trans-title-group xml:lang="en"><trans-title>Accuracy Evaluation of Positioning by Cramer-Rao Bound</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>Киреев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kireev</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Киреев Артем Валерьевич, аспирант кафедры радиосвязи и вещания Санкт-Петербургского государственного университета телекоммуникаций им. проф. М.А. Бонч-Бруевича</p><p>Санкт-Петербург, 193232, Российская Федерация</p></bio><email xlink:type="simple">kireyev@list.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>Федоренко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorenko</surname><given-names>R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федоренко Иван Вячеславович, аспирант кафедры радиотехнических и телекоммуникационных систем Санкт-Петербургского политехнического университета Петра Великого</p><p>Санкт-Петербург, 195251, Российская Федерация</p></bio><email xlink:type="simple">fedorenkoiv@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фокин</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fokin</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фокин Григорий Алексеевич, кандидат технических наук, доцент кафедры радиосвязи и вещания Санкт-Петербургского государственного университета телекоммуникацийим. проф. М.А. Бонч-Бруевича</p><p>Санкт-Петербург, 193232, Российская Федерация</p></bio><email xlink:type="simple">harley_84@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Санкт-Петербургский государственный университет телекоммуникаций им. проф. М.А. Бонч-Бруевича<country>Россия</country></aff><aff xml:lang="en">The Bonch-Bruevich Saint-Petersburg State University of Telecommunications<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Санкт-Петербургский политехнический университет им. Петра Великого<country>Россия</country></aff><aff xml:lang="en">The Bonch-Bruevich Saint-Petersburg State University of Telecommunications<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>26</day><month>04</month><year>2017</year></pub-date><volume>3</volume><issue>2</issue><fpage>77</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Киреев А.В., Федоренко И.В., Фокин Г.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Киреев А.В., Федоренко И.В., Фокин Г.А.</copyright-holder><copyright-holder xml:lang="en">Kireev A., Fedorenko R., Fokin G.</copyright-holder><license 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://tuzs.sut.ru/jour/article/view/240">https://tuzs.sut.ru/jour/article/view/240</self-uri><abstract><p>Выполнена оценка точности позиционирования источника радиоизлучения в зависимости от числа опорных пунктов. Координаты источника определены разностно-дальномерным методом. Основной задачей настоящей работы является оценка влияния числа опорных пунктов и их расположения путем сравнения с границей Крамера-Рао. Для решения системы уравнений реализованы методы нелинейных наименьших квадратов на основе математических алгоритмов Гаусса-Ньютона и Левенберга-Марквардта.</p></abstract><trans-abstract xml:lang="en"><p>Article is devoted to accuracy estimation of positioning objects by mathematic Cramer Rao bound and depending on amount of base stations. Defining of coordinates is solved by rangedifferencelocation method. Gauss-Newton and Levenberg-Marquardt mathematic least square methods were evaluated for solving equation system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>позиционирование</kwd><kwd>разностно-дальномерный метод</kwd><kwd>источник радиоизлучения</kwd><kwd>имитационное моделирование</kwd><kwd>метод наименьших квадратов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>positioning</kwd><kwd>range difference location</kwd><kwd>radio-frequency source</kwd><kwd>simulation modelling</kwd><kwd>least square 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">Киреев А.В., Фокин Г.А. Позиционирование источников радиоизлучения в сетях LTE с использованием круговой антенной решетки // Наука и инновации в технических университетах: Материалы Девятого Всероссийского форума студентов, аспирантов и молодых ученых. 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