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Realization of 2-D denominator-separable digital filter transfer functions using complex arithmetic

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Abstract

In this paper the problem of realizing 2-D denominator-separable digital filter transfer functions is considered for processing of real sequences. The approach is based on expressing the given 2-D transfer function as a sum of two reduced-order rational transfer functions with complex coefficients. New structures are obtained for equivalent reduced-order, complex-coefficient, 2-D transfer functions. All the realizations are basically parallelform structures with minimum-norm, low round-off noise and freedom from overflow limit cycles. A comparison of the different structures is also made.

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  1. Lehrstuhl für Allgemeine und Theoretische Elektrotechnik, Universität Erlangen-Nürnberg, Cauerstrasse 7, D-8520, Erlangen, F.R. Germany

    D. Raghuramireddy & R. Unbehauen

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  1. D. Raghuramireddy
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  2. R. Unbehauen
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Raghuramireddy, D., Unbehauen, R. Realization of 2-D denominator-separable digital filter transfer functions using complex arithmetic. Multidim Syst Sign Process 2, 319–336 (1991). https://doi.org/10.1007/BF01952238

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  • DOI: https://doi.org/10.1007/BF01952238

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