Design of One-Dimensional Linear Phase Digital IIR Filters Using Orthogonal PolynomialsReport as inadecuate

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ISRN Signal ProcessingVolume 2012 2012, Article ID 870276, 7 pages

Research Article

Grupo de Procesado Multimedia, Departamento de Teoría de la Señal y Comunicaciones, Universidad Carlos III de Madrid, Leganés, 28911 Madrid, Spain

Signal Processing Group, Electronics and Communication Engineering Department, Jaypee University of Information Technology, Solan 173215, India

Received 23 August 2012; Accepted 13 September 2012

Academic Editors: H. Hu and P.-Y. Yin

Copyright © 2012 Vinay Kumar and Sunil Bhooshan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In the present paper, we discuss a method to design a linear phase 1-dimensional Infinite Impulse Response IIR filter using orthogonal polynomials. The filter is designed using a set of object functions. These object functions are realized using a set of orthogonal polynomials. The method includes placement of zeros and poles in such a way thatthe amplitude characteristics are not changed while we change the phase characteristics of the resulting IIR filter.

Author: Vinay Kumar and Sunil Bhooshan



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