| Name: | IIR Filtering: Introduction |
| ID: | m10025 |
| Language: | English (en) |
| Summary: | Infinite impulse response (IIR) filters are an alternative to finite impulse response (FIR) filters. Often, an IIR implementaion can meet a given filter specification with less computation than an FIR implementation, but IIR filters induce nonlinear phase and are more sensitive to numerical problems. |
| Subject: | Science and Technology |
| Keywords: | bi-quad, block repeat counter, butter, conv, difference equation, direct form II, DSP, ellip, elliptic low-pass filter, feedback, freqz, gain factor, IIR, impulse response, infinite impulse response, linear time-invariant, LTI, nonlinear phase, notch filter, poles, quantize, zeros |
| Document Type: | -//CNX//DTD CNXML 0.5 plus MathML//EN |
| License: | Creative Commons Attribution License (CC-BY 1.0) |
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| Authors: | Douglas L. Jones (dl-jones@uiuc.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Mark Haun (markhaun@uiuc.edu), Jake Janovetz (jake@janovetz.com), Michael Kramer (kramer@ifp.uiuc.edu), Dima Moussa (dmoussa@uiuc.edu), Daniel Sachs (sachs@uiuc.edu), Brian Wade (bwade@uiuc.edu) |
| Copyright Holders: | Douglas L. Jones (dl-jones@uiuc.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Mark Haun (markhaun@uiuc.edu), Jake Janovetz (jake@janovetz.com), Michael Kramer (kramer@ifp.uiuc.edu), Dima Moussa (dmoussa@uiuc.edu), Daniel Sachs (sachs@uiuc.edu), Brian Wade (bwade@uiuc.edu) |
| Maintainers: | Mark Butala (butala@uiuc.edu), Matthew Berry (mjberry@uiuc.edu), Douglas L. Jones (dl-jones@uiuc.edu), Ricardo Radaelli-Sanchez (ricky@alumni.rice.edu), Swaroop Appadwedula (appadwed@uiuc.edu), Daniel Sachs (sachs@uiuc.edu), Robert Morrison (rlmorris@uiuc.edu) |
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| Version: | 2.20 (history) |
| Created: | Jun 1, 2001 12:00 am GMT-5 |
| Revised: | Feb 25, 2004 12:38 pm US/Central |
| Version: | 2.20 Feb 25, 2004 12:38 pm US/Central by Adan Galvan |
| Changes: | added maintainer |
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| Version: | 2.19 Jul 31, 2003 10:51 am GMT-5 by Elizabeth Gregory |
| Changes: | Updated to 0.5 and added a connexion |
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| Version: | 2.18 Sep 5, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | added a maintainer |
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| Version: | 2.17 Aug 24, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | edited for content and style edited metadata |
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| Version: | 2.16 Aug 21, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | changes figure |
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| Version: | 2.15 Aug 19, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | added title for cnxned module |
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| Version: | 2.14 Aug 19, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | edited metadata |
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| Version: | 2.13 Aug 19, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | edited metadata upgraded to 0.4 |
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| Version: | 2.12 Aug 19, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | edited for style and content |
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| Version: | 2.11 Jun 12, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | edited for style |
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| Version: | 2.10 Jun 11, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | Added maintainers |
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| Version: | 2.9 Jun 3, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | Divided module into three parts. |
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| Version: | 2.8 May 17, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | removed hardcoded figure numbers in cnxns |
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| Version: | 2.7 Mar 17, 2002 12:00 am US/Central by (Unknown) |
| Changes: | Removed refs to laboratory. Cleaned up some grammar, corrected version number. |
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| Version: | 2.6 Aug 15, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | - Removed excess whitespace in CDATA |
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| Version: | 2.5 Aug 14, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | - Added Doug Jones to author/maintainer - Uploaded pictures |
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| Version: | 2.4 Aug 14, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | - Updated to CNXML 0.3.5 |
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| Version: | 2.3 Jun 12, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | submitted changes too early but the webpage looks weird on this version of mozilla (0.9.1) |
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| Version: | 2.2 Jun 12, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | added author, maintainer, and abstract |
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| Version: | 2.1 Jun 1, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | created new module |
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| Version: | 2.0 Jun 1, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Added initial template for new module m10025 |
If you reuse this work, in order to comply with the attribution requirements of the license (CC-BY 1.0), you must include the
If you derive a copy of this content using a Connexions account and publish your version, proper attribution of the original work will be automatically done for you.
The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:
Jones, D.; Appadwedula, S.; Berry, M.; Haun, M.; Janevitz, J.; Kramer, M.; Moussa, D.; Sachs, D.; Wade, B. IIR Filtering: Introduction, Connexions Web site. http://cnx.org/content/m10025/2.20/, Feb 25, 2004.
Jones D, Appadwedula S, Berry M, et al. IIR Filtering: Introduction [Connexions Web site]. February 25, 2004. Available at: http://cnx.org/content/m10025/2.20/.
Jones, D., Appadwedula, S., Berry, M., Haun, M., Janevitz, J., Kramer, M., Moussa, D., Sachs, D., & Wade, B. (2004, February 25). IIR Filtering: Introduction. Retrieved from the Connexions Web site: http://cnx.org/content/m10025/2.20/
Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Jake Janevitz, Michael Kramer, Dima Moussa, Daniel Sachs, and Brian Wade. "IIR Filtering: Introduction." Connexions. February 25, 2004. http://cnx.org/content/m10025/2.20/.
Douglas Jones and others, "IIR Filtering: Introduction," Connexions, February 25, 2004, http://cnx.org/content/m10025/2.20/.
Jones, D., Appadwedula, S., Berry, M., Haun, M., Janevitz, J., Kramer, M., Moussa, D., Sachs, D., & Wade, B. 2004. IIR Filtering: Introduction. Connexions, February 25, 2004. http://cnx.org/content/m10025/2.20/.
Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Jake Janevitz, Michael Kramer, Dima Moussa, Daniel Sachs, and Brian Wade. IIR Filtering: Introduction. Connexions. 25 Feb. 2004 <http://cnx.org/content/m10025/2.20/>.