high order transformations for flexible iir filter designProceedings VII European Signal Processing Conference (EUSIPCO’94), vol. 3, pp. 1582-1585, Edinburgh, 13-16 Sept. 1994 ――――――――――――――――――――――――――――――――――――――――――――――――――――――― ―High Order Transformations for Flexible IIR Filter DesignGerald D. CAIN, Artur KRUKOWSKI and Izzet KALESchool of Electronic and Manufacturing Systems Engineering, University of Westminster 115 New Cavendish St., London W1M 8JS, UK, Fax: +44 [ 71] 580 4319 E-Mail: kale@cmsa.westminster.ac.uk Abstract. Extensions of popular transformations for IIR filters are given which employ high order mapping filters. Easy control of prototype transfer function features in multiband renditions is demonstrated. A wider interpretation of transformation is also suggested which permits “less-than-N-band replication” (at a cost in d……
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