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Name: IIR Filtering: Filter-Design Exercise in MATLAB
ID: m10623
Language: English (en)
Summary: You will derive the transfer function of a second-order, Direct Form II, infinite impulse response (IIR) filter. Then you will create a fourth-order IIR filter, plot its frequency response, and decompose the fourth-order filter into two second-order sections, choosing an appropriate gain for each stage to prevent overflow.
Subject: Science and Technology
Keywords: conv, difference equation, direct fortm II, DSP, ellip, elliptic low-pass filter, freqz, gain factor, IIR, impulse response, infinite impulse response, linear time-invariant, LTI, notch filter, overflow, poles, zeros
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License CC-BY 1.0
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)
Latest version: 2.11 (history)
First publication date: Jun 3, 2002 12:00 am -0500
Last revision to module: Feb 25, 2004 12:37 pm -0600

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Version History

Version: 2.11 Feb 25, 2004 12:37 pm -0600 by Adan Galvan
Changes: 
added maintainer
Version: 2.10 Jul 31, 2003 10:46 am -0500 by Elizabeth Gregory
Changes: 
Updated to 0.5
Version: 2.9 Sep 5, 2002 12:00 am -0500 by (Unknown)
Changes: 
added a maintainer
Version: 2.8 Aug 24, 2002 12:00 am -0500 by (Unknown)
Changes: 
edited for style and content
edited metadata
Version: 2.7 Aug 20, 2002 12:00 am -0500 by (Unknown)
Changes: 
removed MATLAB exercise -- now its own module
edited for style and content
edited metadata
Version: 2.6 Jul 23, 2002 12:00 am -0500 by (Unknown)
Changes: 
Fixed math as per bug report 675
Version: 2.5 Jun 12, 2002 12:00 am -0500 by (Unknown)
Changes: 
edited for style (still needs MathML conversion)
Version: 2.4 Jun 12, 2002 12:00 am -0500 by (Unknown)
Changes: 
added paragraph on preparing for processor exercise (still needs expressions converted to MathML)
Version: 2.3 Jun 12, 2002 12:00 am -0500 by (Unknown)
Changes: 
edited for style
Version: 2.2 Jun 11, 2002 12:00 am -0500 by (Unknown)
Changes: 
Added maintainers
Version: 2.1 Jun 3, 2002 12:00 am -0500 by (Unknown)
Changes: 
Created module from original IIR Filtering module (m10025).
Version: 2.0 Jun 3, 2002 12:00 am -0500 by (Unknown)
Changes: 
Added initial template for new module m10623

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American Chemical Society (ACS) Style Guide:

Jones, D.; Appadwedula, S.; Berry, M.; Haun, M.; Janevitz, J.; Kramer, M.; Moussa, D.; Sachs, D.; Wade, B. IIR Filtering: Filter-Design Exercise in MATLAB, Connexions Web site. http://cnx.org/content/m10623/2.11/, Feb 25, 2004.

American Medical Assocation (AMA) Manual of Style:

Jones D, Appadwedula S, Berry M, et al. IIR Filtering: Filter-Design Exercise in MATLAB [Connexions Web site]. February 25, 2004. Available at: http://cnx.org/content/m10623/2.11/.

American Psychological Assocation (APA) Publication Manual:

Jones, D., Appadwedula, S., Berry, M., Haun, M., Janevitz, J., Kramer, M., Moussa, D., Sachs, D., & Wade, B. (2004, February 25). IIR Filtering: Filter-Design Exercise in MATLAB. Retrieved from the Connexions Web site: http://cnx.org/content/m10623/2.11/

Chicago Manual of Style (Bibliography):

Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Jake Janevitz, Michael Kramer, Dima Moussa, Daniel Sachs, and Brian Wade. "IIR Filtering: Filter-Design Exercise in MATLAB." Connexions. February 25, 2004. http://cnx.org/content/m10623/2.11/.

Chicago Manual of Style (Note):

Douglas Jones and others, "IIR Filtering: Filter-Design Exercise in MATLAB," Connexions, February 25, 2004, http://cnx.org/content/m10623/2.11/.

Chicago Manual of Style (Reference, in Author-Date style):

Jones, D., Appadwedula, S., Berry, M., Haun, M., Janevitz, J., Kramer, M., Moussa, D., Sachs, D., & Wade, B. 2004. IIR Filtering: Filter-Design Exercise in MATLAB. Connexions, February 25, 2004. http://cnx.org/content/m10623/2.11/.

Modern Languages Association (MLA) Style Manual:

Jones, Douglas, Swaroop Appadwedula, Matthew Berry, Mark Haun, Jake Janevitz, Michael Kramer, Dima Moussa, Daniel Sachs, and Brian Wade. IIR Filtering: Filter-Design Exercise in MATLAB. Connexions. 25 Feb. 2004 <http://cnx.org/content/m10623/2.11/>.