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Design of a class of IIR eigenfilters with time- and frequency-domain constraints

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3 Author(s)
Soo-Chang Pei ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Chia-Chen Hsu ; Peng-Hua Wang

An effective eigenfilter approach is presented to design special classes of infinite-impulse response (IIR) filters with time- and frequency-domain constraints is presented. By minimizing a quadratic measure of the error in the passband and stopband, an eigenvector of an appropriate real symmetric and positive-definite matrix is computed to get the filter coefficients. Several IIR filters such as notch filters, Nyquist filters and partial response filters can be easily designed by this approach. Some numerical design examples are illustrated to show the effectiveness of this approach

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Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:49 ,  Issue: 2 )