Алгоритмы прямого и обратного ДКП малых порядков с уменьшенной мультипликативной сложностью

Автор(и)

  • Александр Павлович Царёв Западно-поморский технологический университет, Poland https://orcid.org/0000-0002-4513-4593
  • Марта Маковска Западно-поморский технологический университет, Poland
  • Павел Стшелец Западно-поморский технологический университет, Poland

DOI:

https://doi.org/10.20535/S0021347019110025

Ключові слова:

дискретное косинус-преобразование, ДКП, СБИС-ориентированный алгоритм, быстрые вычисления

Анотація

Дискретные ортогональные преобразования, такие как дискретное преобразование Фурье, дискретное преобразование Уолша, дискретное преобразование Хартли, пилоподобное преобразование, дискретное косинус-преобразование и т. д., являются важными инструментами численного анализа, обработки сигналов и статистических методов. Успешное использование этих преобразований объясняется наличием быстрых алгоритмов для их реализации. Особое место в арсенале дискретных ортогональных преобразований занимают прямое и обратное дискретное косинус-преобразование (ДКП). В статье предлагается ряд параллельных алгоритмов прямого и обратного ДКП. Их синтез основан на удачной факторизации матриц преобразования. Представлено несколько полностью параллельных алгоритмов реализации прямого и обратного ДКП малых порядков для N = {2, 3, 4, 5, 6, 7}.

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Опубліковано

2019-11-22

Як цитувати

Царёв, А. П., Маковска, М., & Стшелец, П. (2019). Алгоритмы прямого и обратного ДКП малых порядков с уменьшенной мультипликативной сложностью. Вісті вищих учбових закладів. Радіоелектроніка, 62(11), 662–677. https://doi.org/10.20535/S0021347019110025

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