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Frequency domain synthesis of IIR digital filters by means of associated FIR filters

M. Decina, F. Riciniello, A. Roveri

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Abstract

This correspondence describes a synthesis technique for IIR digital filters which allows the use of approximation methods already developed for designing FIR filters. The technique is based on the definition, by means of a suitable transformation, of a FIR filter associated to the desired IIR filter. An example of application is given and the related results are briefly discussed.

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What this paper is about

This correspondence describes a synthesis technique for IIR digital filters which allows the use of approximation methods already developed for designing FIR filters. The technique is based on the definition, by means of a suitable transformation, of a FIR filter associated to the desired IIR filter. An example of application is given and the related results are briefly discussed.

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Available abstract

This correspondence describes a synthesis technique for IIR digital filters which allows the use of approximation methods already developed for designing FIR filters. The technique is based on the definition, by means of a suitable transformation, of a FIR filter associated to the desired IIR filter. An example of application is given and the related results are briefly discussed.

Key concepts: Infinite impulse response, 2D Filters, Finite impulse response, Network synthesis filters, Digital filter, Half-band filter, Computer science, Prototype filter

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