An efficient design algorithm of N-band IIR digital filters

In this paper, the design of an N-subband coding scheme employing IIR digital filters, is investigated. It has been shown that the system reduces to the design of a single IIR filter from which the rest of the analysis and synthesis filters are derived. A simple rapidly convergent algorithm is prese...

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Bibliographische Detailangaben
Hauptverfasser:	Saleh, A.I., El-Raheem, G.M.A., Fahmy, G.E.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Algorithm design and analysis Design methodology Design optimization Digital filters Finite impulse response filter IIR filters Lattices RF signals Signal analysis Stability analysis
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Beschreibung
Zusammenfassung:	In this paper, the design of an N-subband coding scheme employing IIR digital filters, is investigated. It has been shown that the system reduces to the design of a single IIR filter from which the rest of the analysis and synthesis filters are derived. A simple rapidly convergent algorithm is presented for the design of this filter. Apart from ensuring stability, flexibility of meeting any stringent specifications, the design algorithm results in equiripple loss behavior over its bands of interest. Illustrative examples are given.
DOI:	10.1109/NRSC.1998.711482