Design of Linear Phase IIR Filters with Flat Magnitude Response using Complex Coefficients Allpole Filters
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| Natura: | Artículo científico |
| Lingua: | en |
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Instituto Politécnico Nacional
2007
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| _version_ | 1876469576317796352 |
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| author | Alfonso Fernandez Vazquez |
| author_facet | Alfonso Fernandez Vazquez |
| contents | Design of Linear Phase IIR Filters with Flat Magnitude Response using Complex Coefficients Allpole Filters Alfonso Fernandez Vazquez Gordana Jovanovic Dolecek Computación IIR filters linear phase filter banks allpole filters allpass filters This paper presents a new method for the design of linear phase IIR filters with flat magnitude response. The method is based on the design of flat digital allpole filters with complex coefficients. Depending on the parity of the allpole filter order the resulting IIR filter have either real or complex coefficients. The parameters of the design are the same as in traditional IIR filter design, i.e., passband and stopband frequencies, ωp and ωs, passband droop Ap, and stopband attenuation As. Several design examples are provided to illustrate the method. In addition, a design of linear phase modified two-band IIR filter banks and a design of stable IIR filter with an improved group delay are presented as two applications of the proposed method. 2007 artículo científico 1405-5546 https://www.redalyc.org/articulo.oa?id=61509702 en http://www.redalyc.org/revista.oa?id=615 Computación y Sistemas application/pdf Instituto Politécnico Nacional Computación y Sistemas (México) Num.4 Vol.10 |
| format | Artículo científico |
| id | redalyc_61509702 |
| institution | Redalyc |
| language | en |
| publishDate | 2007 |
| publisher | Instituto Politécnico Nacional |
| spellingShingle | Design of Linear Phase IIR Filters with Flat Magnitude Response using Complex Coefficients Allpole Filters Alfonso Fernandez Vazquez Computación IIR filters linear phase filter banks allpole filters allpass filters Design of Linear Phase IIR Filters with Flat Magnitude Response using Complex Coefficients Allpole Filters Alfonso Fernandez Vazquez Gordana Jovanovic Dolecek Computación IIR filters linear phase filter banks allpole filters allpass filters This paper presents a new method for the design of linear phase IIR filters with flat magnitude response. The method is based on the design of flat digital allpole filters with complex coefficients. Depending on the parity of the allpole filter order the resulting IIR filter have either real or complex coefficients. The parameters of the design are the same as in traditional IIR filter design, i.e., passband and stopband frequencies, ωp and ωs, passband droop Ap, and stopband attenuation As. Several design examples are provided to illustrate the method. In addition, a design of linear phase modified two-band IIR filter banks and a design of stable IIR filter with an improved group delay are presented as two applications of the proposed method. 2007 artículo científico 1405-5546 https://www.redalyc.org/articulo.oa?id=61509702 en http://www.redalyc.org/revista.oa?id=615 Computación y Sistemas application/pdf Instituto Politécnico Nacional Computación y Sistemas (México) Num.4 Vol.10 |
| title | Design of Linear Phase IIR Filters with Flat Magnitude Response using Complex Coefficients Allpole Filters |
| topic | Computación IIR filters linear phase filter banks allpole filters allpass filters |
| url | https://www.redalyc.org/articulo.oa?id=61509702 |