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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">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">sibsutis-20</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>Оптимизация алгоритма DDS методом компенсации паразитных составляющих</article-title><trans-title-group xml:lang="en"><trans-title>Optimization of the DDS algorithm by the identification of spurious components</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>Шауэрман</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shauerman</surname><given-names>A. ..</given-names></name></name-alternatives><email xlink:type="simple">shamrel@yandex.com</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>Борисов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>A. ..</given-names></name></name-alternatives><email xlink:type="simple">borisov@sibsutis.ru.com</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>Забелин</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zabelin</surname><given-names>L. ..</given-names></name></name-alternatives><email xlink:type="simple">zabelinlu@sibsutis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>СибГУТИ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>18</day><month>04</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>84</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шауэрман А.А., Борисов А.В., Забелин Л.Ю., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Шауэрман А.А., Борисов А.В., Забелин Л.Ю.</copyright-holder><copyright-holder xml:lang="en">Shauerman A..., Borisov A..., Zabelin L...</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://vestnik.sibsutis.ru/jour/article/view/20">https://vestnik.sibsutis.ru/jour/article/view/20</self-uri><abstract><p>В статье рассматривается метод построения генераторов сигналов с прямым цифровым синтезом (DDS) на основе архитектуры с усеченным фазовым аккумулятором. Предлагается метод уменьшения паразитных составляющих генерируемого сигнала за счет применения ПЛИС. Для исследования алгоритмов цифровой обработки сигналов, в частности генераторов DDS, был разработан специальный стенд на основе ПЛИС Cyclon IV, АЦП и ЦАП. Схемы генераторов основаны на применении языка Verilog и системы автоматизированного проектирования QUARTUS Prime. Приведены результаты исследования генераторов на основе ПЛИС.</p></abstract><trans-abstract xml:lang="en"><p>In this article direct digital synthesis (DDS) methods of signal generation are considered. Here we designed signal generator. FPGA Cyclone IV, ADC and DAC were designed for researching digital signal processing algorithms and DDS. Generator schemes are based on the Verilog language and programmable logic design software produced by Intel QUARTUS Prime. Phase Truncation properties in the Output Spectrum of DDS were considered and DDS research results were presented in this article.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПЛИС</kwd><kwd>фазовый аккумулятор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>DDS</kwd><kwd>Verilog</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">A Technical Tutorial on Digital Signal Synthesis. Analog Devices, Inc., 1999.</mixed-citation><mixed-citation xml:lang="en">A Technical Tutorial on Digital Signal Synthesis. Analog Devices, Inc., 1999.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Mifsud A. Direct digital synthesis radio frequency arbitrary function generator using an FPGA [D]. University of Malta, 2016.</mixed-citation><mixed-citation xml:lang="en">Mifsud A. 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