Digital finite impulse response notch filter with non-zero initial conditions, based on an infinite impulse response prototype filter

• Autorzy: Kocoń S. , Piskorowski J.
• Języki publikacji: PL

Abstrakty

EN

In this paper a concept of finite impulse response (FIR) narrow band-stop (notch) filter with non-zero initial conditions, based on infinite impulse response (IIR) prototype filter, is proposed. The filter described in this paper is used to suppress power line noise from ECG signals. In order to reduce the transient response of the proposed FIR notch filter, optimal initial conditions for the filter have been determined. The algorithm for finding the length of the initial conditions vector is presented. The proposed values of the length of initial conditions vector, for several ECG signals and interfering frequencies, are calculated. The proposed filters are tested using various ECG signals. Computer simulations demonstrate that the proposed FIR filters outperform traditional FIR filters with initial conditions set to zero.

Słowa kluczowe

EN

measurement; signal processing; finite impulse response filter; non-zero initial conditions; transient response; electrocardiography

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2012
• Tom: Vol. 19, nr 4
• Strony: 767--776
• Opis fizyczny: Bibliogr. 14 poz., tab., wykr.

Twórcy

autor

Kocoń S.

autor

Piskorowski J.

• West Pomeranian University of Technology, Faculty of Electrical Engineering, Sikorskiego 37, 70-313 Szczecin, Poland,

Bibliografia

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