Details
| Title | An interrogation system for an array of fiber-optic microdisplacement sensors based on LEDs, photodetectors and an Arduino board: выпускная квалификационная работа магистра: направление 11.04.02 «Инфокоммуникационные технологии и системы связи» ; образовательная программа 11.04.02_07 «Лазерные и оптоволоконные системы (международная образовательная программа) / Laser and Fiber Optic System (International Educational Program)» |
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| Creators | Цао Синьи |
| Scientific adviser | Маркварт Александр Александрович |
| Organization | Санкт-Петербургский политехнический университет Петра Великого. Институт электроники и телекоммуникаций |
| Imprint | Санкт-Петербург, 2025 |
| Collection | Выпускные квалификационные работы ; Общая коллекция |
| Subjects | Волоконная оптика ; Электрические сигналы — Обработка ; Радиолокационные сигналы — Обработка ; fiber optic displacement sensor ; amplifier circuit ; multiplexing technology ; signal processing algorithm ; light intensity modulation |
| UDC | 621.372.8 ; 681.7.068 ; 621.391 ; 621.396.965 |
| Document type | Master graduation qualification work |
| Language | English |
| Level of education | Master |
| Speciality code (FGOS) | 11.04.02 |
| Speciality group (FGOS) | 110000 - Электроника, радиотехника и системы связи |
| DOI | 10.18720/SPBPU/3/2025/vr/vr26-362 |
| Rights | Доступ по паролю из сети Интернет (чтение) |
| Record key | ru\spstu\vkr\39747 |
| Record create date | 2/17/2026 |
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| Network | Internet |
This paper discusses the fiber optic sensing technology and amplifier circuit design in detail,focusing on its application in precision measurement,especially in small-scale displacement monitoring.In addition,this paper introduces the classification of optical fibers, discusses Example of optical fiber sensors with a strength demodulator and their application,Review of photodiodes and span resistance amplifiers for fiber sensor impedance interrogation,Summary of circuit board solutions for measuring photodiode signals with span resistance amplifier, and compares the voltage changes at different distances through experiments.In summary,this study helps to deepen the understanding and optimization of fiber optic sensing systems,and is of great significance to promote precision engineering and scientific research.
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