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Тема выпуÑкной квалификационной работы: «Улучшение проÑтранÑтвенной разрешающей ÑпоÑобноÑти оптичеÑкой когерентной томографии при помощи методов параметричеÑкой оценки Ñпектра». Объект иÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ â€“ обработка интерференционных Ñигналов. Цель работы – Ñ€ÐµÐ°Ð»Ð¸Ð·Ð°Ñ†Ð¸Ñ Ð¸ применение метода параметричеÑкой оценки Ñпектра при обработке интерференционных Ñигналов оптичеÑкой когерентной томографии (ОКТ) Ð´Ð»Ñ ÑƒÐ»ÑƒÑ‡ÑˆÐµÐ½Ð¸Ñ Ð°ÐºÑиального проÑтранÑтвенного разрешениÑ. Ð’ данной работе был продемонÑтрирован метод обработки интерференционного Ñигнала ОКТ, оÑнованный на алгоритме root-MUSIC, Ð´Ð»Ñ ÑƒÐ»ÑƒÑ‡ÑˆÐµÐ½Ð¸Ñ Ð¾Ñевого проÑтранÑтвенного разрешениÑ. ÐкÑÐ¿ÐµÑ€Ð¸Ð¼ÐµÐ½Ñ‚Ð°Ð»ÑŒÐ½Ð°Ñ Ð¿Ñ€Ð¾Ð²ÐµÑ€ÐºÐ° ÑффективноÑти предложенного метода проводилаÑÑŒ путем Ð¸Ð·Ð¼ÐµÑ€ÐµÐ½Ð¸Ñ Ð¸ визуализации геометричеÑких параметров Ñечений многомодовых и одномодовых оптичеÑких волокон. Применение данного метода открывает возможноÑть неразрушающего ÐºÐ¾Ð½Ñ‚Ñ€Ð¾Ð»Ñ Ð²Ð½ÑƒÑ‚Ñ€ÐµÐ½Ð½ÐµÐ¹ Ñтруктуры оптичеÑки-интегральных компонент, геометрии оптичеÑких волокон, необходимого в процеÑÑе производÑтва. Учтены терминологичеÑкие оÑобенноÑти предметной облаÑти и применены программные ÑредÑтва Ð´Ð»Ñ Ñ€ÐµÑˆÐµÐ½Ð¸Ñ Ð·Ð°Ð´Ð°Ñ‡. Применено Ñпециализированное программно-математичеÑкое обеÑпечение MATLAB.
The subject of the graduate qualification work: “Improving the spatial resolution of optical coherence tomography using methods of parametric spectrum estimationâ€. The object of study is the processing of interference signals. The aim is to implement and apply the method of parametric spectrum estimation when processing interference signals of optical coherence tomography (OCT) to improve axial spatial resolution. In this work, an OCT interference signal processing method based on the root-MUSIC algorithm was demonstrated to improve axial spatial resolution. Experimental verification of the effectiveness of the proposed method was carried out by measuring and visualizing the geometric parameters of cross-sections of multimode and single-mode optical fibers. The use of this method opens up the possibility of non-destructive testing of the internal structure of optically integrated components and the geometry of optical fibers required during the production process. Terminological features of the subject area are taken into account and software tools are used to solve problems. Specialized software and mathematics were used MATLAB.
опÑиÑеÑкое волокно, optical fiber, optical coherence tomography, пÑоÑÑÑанÑÑвенное ÑазÑеÑение, spatial resolution, опÑиÑеÑÐºÐ°Ñ ÐºÐ¾Ð³ÐµÑенÑÐ½Ð°Ñ ÑомогÑаÑиÑ, MUSIC
опÑиÑеÑкое волокно, optical fiber, optical coherence tomography, пÑоÑÑÑанÑÑвенное ÑазÑеÑение, spatial resolution, опÑиÑеÑÐºÐ°Ñ ÐºÐ¾Ð³ÐµÑенÑÐ½Ð°Ñ ÑомогÑаÑиÑ, MUSIC
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