Design of Sparse FIR Filters with Low Group Delay

• Autorzy: Konopacki Jacek

Identyfikatory

DOI

10.24425/ijet.2021.135953

• Języki publikacji: EN

Abstrakty

EN

The aim of the work is to present the method for designing sparse FIR filters with very low group delay and approximately linear-phase in the passband. Significant reduction of the group delay, e.g. several times in relation to the linear phase filter, may cause the occurrence of undesirable overshoot in the magnitude frequency response. The method proposed in this work consists of two stages. In the first stage, FIR filter with low group delay is designed using minimax constrained optimization that provides overshoot elimination. In the second stage, the same process is applied iteratively to reach sparse solution. Design examples demonstrate the effectiveness of the proposed method.

Słowa kluczowe

EN

digital filters; FIR filter design; sparse filters; reduced group delay filters

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2021
• Tom: Vol. 67, No. 1
• Strony: 121--126
• Opis fizyczny: Bibliogr. 29 poz., tab., wykr.

Twórcy

autor

Konopacki Jacek

• Faculty of Automatic Control, Electronics and Computer Sciences, Silesian University of Technology

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).