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Итеративный прием ÐºÐ¾Ð´Ð¸Ñ€Ð¾Ð²Ð°Ð½Ð½Ñ‹Ñ SEFDM-сигналов

магистерская диссертация
descriptionPublicationkeyboard_double_arrow_right Other literature type 01 Jan 2017 Russian Publisher:Санкт-Петербургский политехнический университет Петра Великого

doi: 10.18720/spbpu/2/v17-6471

Итеративный прием ÐºÐ¾Ð´Ð¸Ñ€Ð¾Ð²Ð°Ð½Ð½Ñ‹Ñ SEFDM-сигналов

Abstract

Ð’ среде MatLab разработаны модели для построения ÐºÑ€Ð¸Ð²Ñ‹Ñ Ð¿Ð¾Ð¼ÐµÑ Ð¾ÑƒÑÑ‚Ð¾Ð¹Ñ‡Ð¸Ð²Ð¾ÑÑ‚Ð¸ приема ÐºÐ¾Ð´Ð¸Ñ€Ð¾Ð²Ð°Ð½Ð½Ñ‹Ñ ÑÐ²ÐµÑ€Ñ‚Ð¾Ñ‡Ð½Ñ‹Ð¼ кодом 7 171 133 SEFDM-сигналов. Разработанные модели поддерживают различные скорости кода за счет использования перфорирования. Представлены 2 различные ÑÑ ÐµÐ¼Ñ‹ приема при использовании перфоратора. Иммитационным моделированием получены семейства ÐºÑ€Ð¸Ð²Ñ‹Ñ Ð¿Ð¾Ð¼ÐµÑ Ð¾ÑƒÑÑ‚Ð¾Ð¹Ñ‡Ð¸Ð²Ð¾ÑÑ‚Ð¸ приема для кодированного SEFDM-сигнала, с различными значения коэффициента уплотнения и скоростей кода. Также произведено модеоирования для Ð´Ð²ÑƒÑ Ñ€Ð°Ð·Ð»Ð¸Ñ‡Ð½Ñ‹Ñ ÑÑ ÐµÐ¼ с перфорированием. Полученные результаты проанализированы. Найдены численные значения ÑÐ½ÐµÑ€Ð³ÐµÑ‚Ð¸Ñ‡ÐµÑÐºÐ¸Ñ Ð¿Ñ€Ð¾Ð¸Ð³Ñ€Ñ‹ÑˆÐµÐ¹ при Ñ€Ð°Ð·Ð»Ð¸Ñ‡Ð½Ñ‹Ñ Ð²ÐµÑ€Ð¾ÑÑ‚Ð½Ð¾ÑÑ‚ÑÑ Ð¾ÑˆÐ¸Ð±ÐºÐ¸ при сравнение SEFDM-сигналов с OFDM-сигналами при равной длительности символа. Проведена оценка количества итераций для SEFDM-демодулятора.

Keywords

Коды корректирующие, Радиосигналы, Кодирование Ð¿Ð¾Ð¼ÐµÑ Ð¾ÑƒÑÑ‚Ð¾Ð¹Ñ‡Ð¸Ð²Ð¾Ðµ, Демодуляция

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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