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Методы линеаризации аналоговых оптических трактов

В.А. Небавский1, Р.С. Стариков2, П.А. Черемхин3

обзорная статья УДК 535.8+621.38 Страницы: 42-62 doi.org/10.18127/j20700784-202112-04

  1. 1,2,3 Национальный исследовательский ядерный университет «МИФИ» (Москва, Россия)
Ключевые слова: Микроволновая фотоникарадиофотоникаоптический аналоговый трактлинеаризациясвободный динамический диапазонмодулятор Маха–Цандераэлектрооптический модуляторпредкомпенсацияпосткомпенсацияаналого-цифровое преобразование

Аннотация

Постановка проблемы. Аналоговые оптические тракты (АОТ) находят широкое применение в современных радиотехнических задачах. Основная функция АОТ – транспорт сверхвысокочастотных аналоговых сигналов. Современные задачи обработки сигналов предъявляют высокие требования к их информативности, где важной проблемой является определение наилучшего компромисса между отношением сигнал/шум и свободным динамическим диапазоном, обеспечиваемым в АОТ. Под линеаризацией АОТ понимаются те или иные действия, обеспечивающие повышение свободного динамического диапазона с целью уменьшения нежелательных искажений сигнала.

Цель. Исследовать методы линеаризации АОТ с внешней модуляцией.

Результаты. Проанализированы современные методы линеаризации сверхвысокочастотных аналоговых оптических трактов.  Выделены основные группы методов: электронные, оптические и гибридные. Рассмотрены основные тенденции и представлены достигнутые результаты по повышению свободного динамического диапазона аналоговых оптических трактов.  Практическая значимость. Рассмотренные методы позволяют существенно повысить информативность сигналов сверхвысокочастотных аналоговых трактов. 

Поступила
25.09.2021
Одобрена
12.10.2021
Принята
15.11.2021

Для цитирования

Небавский В.А., Стариков Р.С., Черемхин П.А. Методы линеаризации аналоговых оптических трактов // Успехи современной радиоэлектроники. 2021. T. 75. № 12. С. 42–62. DOI: https://doi.org/10.18127/j20700784-202112-04

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