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Module by: Douglas L. Jones. E-mail the author

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Name: Scaling
ID: m11927
Language: English (en)
Summary: Digital filters must be properly scaled to prevent overflow in fixed-point implementations. Scaling by the sum of the absolute value of the impulse response of a filter prevents overflow. However, this is sometimes too conservative in practice, so less stringent rules are often used.
Subject: Science and Technology
Keywords: FIR filters, IIR filters, overflow, scaling
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)
Copyright Holders: Douglas L. Jones (dl-jones@uiuc.edu)
Maintainers: Douglas L. Jones (dl-jones@uiuc.edu), Kyle Clarkson (kclarks@gmail.com)
Latest version: 1.2 (history)
First publication date: Jul 18, 2003 2:58 pm GMT-5
Last revision to module: Jan 1, 2005 8:39 pm US/Central
Module XML: m11927_1.2.cnxml

Version History

Version: 1.2 Jan 1, 2005 8:39 pm US/Central by Douglas L. Jones
Changes: 
Minor edits for clarity and typo fixes.
Added abstract and keywords.
Added Roberts and Mullis reference.
Version: 1.1 May 11, 2004 12:28 pm GMT-5 by Kyle Clarkson
Changes: 
First Submission

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American Chemical Society (ACS) Style Guide:

Jones, D. Scaling, Connexions Web site. http://cnx.org/content/m11927/1.2/, Jan 1, 2005.

American Medical Assocation (AMA) Manual of Style:

Jones D. Scaling [Connexions Web site]. January 1, 2005. Available at: http://cnx.org/content/m11927/1.2/.

American Psychological Assocation (APA) Publication Manual:

Jones, D. (2005, January 1). Scaling. Retrieved from the Connexions Web site: http://cnx.org/content/m11927/1.2/

Chicago Manual of Style (Bibliography):

Jones, Douglas. "Scaling." Connexions. January 1, 2005. http://cnx.org/content/m11927/1.2/.

Chicago Manual of Style (Note):

Douglas Jones, "Scaling," Connexions, January 1, 2005, http://cnx.org/content/m11927/1.2/.

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

Jones, D. 2005. Scaling. Connexions, January 1, 2005. http://cnx.org/content/m11927/1.2/.

Modern Languages Association (MLA) Style Manual:

Jones, Douglas. Scaling. Connexions. 1 Jan. 2005 <http://cnx.org/content/m11927/1.2/>.