Group delay and filter order estimation for least-squares design of IIR filters with unequal number of poles and zeros
A weighted least squares design of IIR filters has been considered in many publications. A problem that remains open is the choice of suitable filter order and suitable group delay of the desired phase response for the given set of filter specifications. This article introduces formulas to determine...
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| description | A weighted least squares design of IIR filters has been considered in many publications. A problem that remains open is the choice of suitable filter order and suitable group delay of the desired phase response for the given set of filter specifications. This article introduces formulas to determine these parameters. Good results of parameters estimation are achieved for filters with a few poles (outside the origin of the z-plain) and an arbitrary number of zeroes. The examples are included in the paper to illustrate how to use the proposed formulas. |
| doi_str_mv | 10.1109/ICSES.2008.4673431 |
| format | Conference Proceeding |
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A problem that remains open is the choice of suitable filter order and suitable group delay of the desired phase response for the given set of filter specifications. This article introduces formulas to determine these parameters. Good results of parameters estimation are achieved for filters with a few poles (outside the origin of the z-plain) and an arbitrary number of zeroes. The examples are included in the paper to illustrate how to use the proposed formulas.</description><subject>complex domain approximation</subject><subject>Delay estimation</subject><subject>Digital filters</subject><subject>filters design</subject><subject>Finite impulse response filter</subject><subject>Frequency response</subject><subject>IIR filters</subject><subject>Least squares approximation</subject><subject>Least squares methods</subject><subject>Nonlinear equations</subject><subject>Poles and zeros</subject><subject>Stability criteria</subject><isbn>9788388309472</isbn><isbn>8388309471</isbn><isbn>8388309528</isbn><isbn>9788388309526</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotkMFOwzAMhoMQEjD2AnDJC7QkcdMkRzSNUWkSEoPzlK0OBHVNSVrQeHo6UR9s_Za_37IJueUs55yZ-2qxWW5ywZjOi1JBAfyMXGvQGpiRQp-TuVF60oUSl2Se0icbA0wpS35FvlcxDB2tsbFHatuaOt_0GGmI9Zgx9f5gex9a6kKkDdrUZ-lrsBHTyCT_3tLgaFW9TFyiP77_oEOL41BD2-GwO5k52oVmRE4LfjGGdEMunG0Szqc6I2-Py9fFU7Z-XlWLh3XmuZJ9htzZnSisk3ZfOOZqLRwTUjPNnKqlcQAG9sCtFaBVaZGDlqaGEp3Sp-aM3P37ekTcdnG8Jh6306vgD_ZkXuI</recordid><startdate>200809</startdate><enddate>200809</enddate><creator>Konopacki, J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200809</creationdate><title>Group delay and filter order estimation for least-squares design of IIR filters with unequal number of poles and zeros</title><author>Konopacki, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-e1fab24af5ac4f0fd82f0258080f7d59f3393c31aa23876ae13859d36ef78aa23</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>complex domain approximation</topic><topic>Delay estimation</topic><topic>Digital filters</topic><topic>filters design</topic><topic>Finite impulse response filter</topic><topic>Frequency response</topic><topic>IIR filters</topic><topic>Least squares approximation</topic><topic>Least squares methods</topic><topic>Nonlinear equations</topic><topic>Poles and zeros</topic><topic>Stability criteria</topic><toplevel>online_resources</toplevel><creatorcontrib>Konopacki, J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Konopacki, J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Group delay and filter order estimation for least-squares design of IIR filters with unequal number of poles and zeros</atitle><btitle>2008 International Conference on Signals and Electronic Systems</btitle><stitle>ICSES</stitle><date>2008-09</date><risdate>2008</risdate><spage>339</spage><epage>342</epage><pages>339-342</pages><isbn>9788388309472</isbn><isbn>8388309471</isbn><eisbn>8388309528</eisbn><eisbn>9788388309526</eisbn><abstract>A weighted least squares design of IIR filters has been considered in many publications. A problem that remains open is the choice of suitable filter order and suitable group delay of the desired phase response for the given set of filter specifications. This article introduces formulas to determine these parameters. Good results of parameters estimation are achieved for filters with a few poles (outside the origin of the z-plain) and an arbitrary number of zeroes. The examples are included in the paper to illustrate how to use the proposed formulas.</abstract><pub>IEEE</pub><doi>10.1109/ICSES.2008.4673431</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2008 International Conference on Signals and Electronic Systems, 2008, p.339-342 |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | complex domain approximation Delay estimation Digital filters filters design Finite impulse response filter Frequency response IIR filters Least squares approximation Least squares methods Nonlinear equations Poles and zeros Stability criteria |
| title | Group delay and filter order estimation for least-squares design of IIR filters with unequal number of poles and zeros |
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