The peak-constrained optimization of stable linear-phase IIR PRQMF bank |
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Authors: | Koray Emir Tufan |
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Affiliation: | Department of Electrical and Electronics Engineering, Istanbul University, Avcilar 34850, Istanbul, Turkey |
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Abstract: | In this paper, we propose a new approach for optimization based stable linear-phase infinite impulse response (IIR) perfect reconstruction quadrature mirror filter (PRQMF) bank design. To this end, the design problem is formulated using stop-band energy, stability, transition-band, pass-band and stop-band ripples requirements as constraints. Lagrange multiplier method is used for the solution of optimization-based design problem. The brief conclusion with design example that illustrates the proposed design method is presented. |
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Keywords: | IIR perfect reconstruction filter bank Linear phase Stability Peak-constrained optimization Lagrange multiplier |
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