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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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26467/2079-0619-2025-28-6-8-24</article-id><article-id custom-type="elpub" pub-id-type="custom">caht-2668</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>ТРАНСПОРТНЫЕ СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TRANSPORTATION SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Методика повышения помехоустойчивости приемника спутниковой навигации к воздействию преднамеренных помех</article-title><trans-title-group xml:lang="en"><trans-title>Technique for improving the immunity of a satellite navigation receiver to intended jamming</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>Арефьев</surname><given-names>Р. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Arefyev</surname><given-names>R. O.</given-names></name></name-alternatives><bio xml:lang="ru"><sec><title>Арефьев Роман Олегович, кандидат технических наук, доцент, доцент кафедры авиационного радиоэлектронного оборудования</title><p>г. Иркутск</p></sec></bio><bio xml:lang="en"><sec><title>Roman O. Arefyev, Candidate of Technical Sciences, Associate Professor, Associate Professor of the Aviation Radioelectronic Equipment Chair</title><p>Irkutsk</p></sec></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арефьева</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Arefyeva</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><sec><title>Арефьева Наталья Геннадьевна, кандидат технических наук, доцент, доцент кафедры авиационного радиоэлектронного оборудования</title><p>г. Иркутск</p></sec></bio><bio xml:lang="en"><sec><title>Natalya G. Arefyeva, Candidate of Technical Sciences, Associate Professor, Associate Professor of the Aviation Radioelectronic Equipment Chair</title><p>Irkutsk</p></sec></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скрыпник</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Skrypnik</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><sec><title>Скрыпник Олег Николаевич, доктор технических наук, профессор, профессор кафедры организации движения и обеспечения безопасности на воздушном транспорте</title><p>г. Минск</p></sec></bio><bio xml:lang="en"><sec><title>Oleg N. Skrypnik, Doctor of Technical Sciences, Professor, Professor of the Organization of Traffic and Ensuring Safety in Air Transport</title><p>Minsk</p></sec></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский филиал Московского государственного технического университета гражданской авиации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk branch of the Moscow State Technical University of Civil Aviation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусская государственная академия авиации</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian State Aviation Academy</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>16</day><month>01</month><year>2026</year></pub-date><volume>28</volume><issue>6</issue><fpage>8</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Арефьев Р.О., Арефьева Н.Г., Скрыпник О.Н., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Арефьев Р.О., Арефьева Н.Г., Скрыпник О.Н.</copyright-holder><copyright-holder xml:lang="en">Arefyev R.O., Arefyeva N.G., Skrypnik O.N.</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://avia.mstuca.ru/jour/article/view/2668">https://avia.mstuca.ru/jour/article/view/2668</self-uri><abstract><p>Современные беспилотные воздушные суда (БВС) оснащены приемниками спутниковой навигации для решения задач стабилизации в пространстве и выдерживания заданной траектории полета. При этом приемники спутниковой навигации отличаются низкой помехоустойчивостью, что может привести к потере сигналов от спутников и, как следствие, к отклонению БВС от заданного маршрута либо к потере управляемости. В данной работе представлена методика повышения помехоустойчивости приемника спутниковой навигации при воздействии широкополосной и узкополосной помех, а также уводящей помехи. Методика реализована на основе анализа выходных данных с приемника спутниковой навигации, формируемых в формате NMEA. Основным достоинством предлагаемого подхода является использование относительно небольших вычислительных ресурсов бортового вычислителя. Предлагаемая методика основана на анализе соотношения сигнал/шум, количества навигационных спутников, используемых в решении навигационной задачи, а также на целостности выходных координат приемника БВС. На основе предложенной методики разработан алгоритм обнаружения воздействия помех, который состоит из двух этапов. На первом этапе определяется наличие помех, второй этап предполагает анализ выходных координат приемника по отношению к планируемым, что позволяет определить воздействия уводящей помехи. Алгоритм реализован на языке программирования G в программной среде LabVIEW. Методика и алгоритм обнаружения помех протестированы путем проведения ряда полунатурных экспериментов с помощью имитатора сигналов СН-3803М, что позволило оценить пороговые значения уровней сигналов от навигационных спутников при наличии помех. В качестве тестируемого образца использовался мультисистемный приемник спутниковой навигации ATGM336H, который обладает возможностью выбора спутниковой навигационной системы (ГЛОНАСС, GPS или BeiDou) или их комбинации для решения задачи навигации БВС. Проведена серия экспериментов по оценке влияния помех различных видов на характеристики приемника спутниковой навигации ATGM336H. </p></abstract><trans-abstract xml:lang="en"><p>Modern unmanned air vehicles (UAV) are equipped with satellite navigation receivers to provide stability in space and maintain the desired track. The satellite navigation receivers feature low noise immunity that can result in loss of satellite signals and, hence, in deviation from the desired track or control loss. The paper presents a technique for improving the immunity of a satellite navigation receiver under wide- and narrow-band interference as well as deceptive interference. The technique was implemented through the analysis of NMEA output data of a satellite navigation receiver. The main advantage of the proposed technique is the use of relatively small computational power of the onboard computer. The proposed technique is based on the analysis of the signal/noise ratio, the number of navigation satellites used as well as the integrity of the output coordinates of an UAV receiver. The proposed technique allowed developing an algorithm for detecting the interference which consists of two stages. At the first stage, presence of interference is identified, the second stage implies the comparison of the output coordinates of the receiver with the desired ones making it possible to assess the effects of deceptive interference. The algorithm is implemented in the G programming language in the LabVIEW environment. The technique and the algorithm for identifying the interference were tested by conducting a series of semi-natural experiments with the CH-3803M signal simulator which allowed estimating the threshold values of signal levels from navigation satellites in the presence of interference. As a test sample the ATGM336H multisystem satellite navigation receiver was used that provides a possibility to select a satellite navigation system (GLONASS, GPS or BeiDou) or to use their combination for solving an UAV navigation problem. The authors conducted a series of experiments for assessing the effects of different interference on the performance of the ATGM336H satellite navigation receiver.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>БВС</kwd><kwd>спуфинг</kwd><kwd>GNSS</kwd><kwd>соотношение сигнал/шум</kwd><kwd>NMEA</kwd><kwd>помехоустойчивость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>UAV</kwd><kwd>spoofing</kwd><kwd>GNSS</kwd><kwd>signal/noise ratio</kwd><kwd>NMEA</kwd><kwd>noise immunity</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">Толстиков А.С., Ушаков А.Е. 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