Рекуррентные алгоритмы настройки адаптивных решетчатых фильтров

Рекуррентные алгоритмы настройки адаптивных решетчатых фильтров

The authors analyse the algorithms intended for correction of adaptive lattice filters (ALF) parameters under K-rank (K ≥ 1) modification of estimate correlation matrix within a "sliding" over the time (range) data window. The drawbacks of methods that correct the ALF parameters based on K...

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Datum:2016
Hauptverfasser: Lekhovytskiy, D. I., Riabukha, V. P., Rachkov, D. S., Semeniaka, A. V.
Format: Artikel
Sprache:Ukrainian
Veröffentlicht: PE "Politekhperiodika", Book and Journal Publishers 2016
Schlagworte:
пространственно-временная обработка сигналов
адаптивный решетчатый фильтр
обобщенная факторизация Левинсона
сомножители Холецкого
частный коэффициент корреляции
комбинированный алгоритм
Online Zugang:https://www.tkea.com.ua/index.php/journal/article/view/TKEA2016.2-3.26
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Назва журналу:Technology and design in electronic equipment

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Technology and design in electronic equipment
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Zusammenfassung:The authors analyse the algorithms intended for correction of adaptive lattice filters (ALF) parameters under K-rank (K ≥ 1) modification of estimate correlation matrix within a "sliding" over the time (range) data window. The drawbacks of methods that correct the ALF parameters based on K-fold utilization of known algorithms of rank-one (K = 1) modification are discussed. The combined algorithm (CA) of K-rank (K ≥ 1) modification is synthesized. Under considered conditions, the only one-fold utilization of the CA solves the task of ALF parameters correction. The paper demonstrates, that proposed CA reduces the computational complexity and enhances the numerical stability of procedure of ALF parameters correction as compared with the competing methods based on algorithms of rank-one modification.

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