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Разработка алгоритма калибровки модели конвейерного АЦП на основе 1,5-Ð±Ð¸Ñ‚Ð½Ñ‹Ñ ÐºÐ°ÑÐºÐ°Ð´Ð¾Ð² в среде MATLAB/Simulink

выпускная квалификационная работа магистра
descriptionPublicationkeyboard_double_arrow_right Other literature type 01 Jan 2018 Russian Publisher:Санкт-Петербургский политехнический университет Петра Великого

doi: 10.18720/spbpu/2/v18-2576

Разработка алгоритма калибровки модели конвейерного АЦП на основе 1,5-Ð±Ð¸Ñ‚Ð½Ñ‹Ñ ÐºÐ°ÑÐºÐ°Ð´Ð¾Ð² в среде MATLAB/Simulink

Abstract

Проведено компьютерное моделирование, которое позволило подтвердить работоспособность предложенной калибровки и оценить улучшения Ñ Ð°Ñ€Ð°ÐºÑ‚ÐµÑ€Ð¸ÑÑ‚Ð¸Ðº модели АЦП с помощью калибровки. Согласно результатам моделирования, максимальное улучшение Ð´Ð¸Ð½Ð°Ð¼Ð¸Ñ‡ÐµÑÐºÐ¸Ñ Ñ Ð°Ñ€Ð°ÐºÑ‚ÐµÑ€Ð¸ÑÑ‚Ð¸Ðº составило 35 дБ для отношения сигнал-шум и искажения и 46 дБ для динамического диапазона, свободного от гармоник.Использование псевдослучайной последовательности в цифровой части АЦП позволило уменьшить амплитуду Ð¾ÑÐ½Ð¾Ð²Ð½Ñ‹Ñ Ð¿Ð°Ñ€Ð°Ð·Ð¸Ñ‚Ð½Ñ‹Ñ Ð³Ð°Ñ€Ð¼Ð¾Ð½Ð¸Ðº, за счет увеличения общего уровня шума на Ð²Ñ‹Ñ Ð¾Ð´Ðµ АЦП, что способствовало улучшению линейности АЦП.

Keywords

Калибровка, Преобразователи аналого-цифровые, Компьютерное моделирование, ÐÐ°Ð¸Ð¼ÐµÐ½ÑŒÑˆÐ¸Ñ ÐºÐ²Ð°Ð´Ñ€Ð°Ñ‚Ð¾Ð² способ

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citations
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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