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About: The Fundamental Signal

Module by: Don Johnson

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Name: The Fundamental Signal
ID: m0003
Language: English (en)
Summary: A description of the fundamental signal used in communications systems, the sinusoid, is presented as well as several of the properties of the sinusoid. The concept of modulation by a sinusoid is discussed.
Subject: Science and Technology
Keywords: amplitude, carrier, cosine, frequency, modulation, phase, sine, sinusoid
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License CC-BY 1.0

Authors: Don Johnson (dhj@rice.edu)
Copyright Holders: Don Johnson (dhj@rice.edu)
Maintainers: Roy Ha (rha@alumni.rice.edu), Don Johnson (dhj@rice.edu), Benjamin Fite (bfite@rice.edu)

Version: 2.15 (history)
Created: Jun 21, 2000 12:00 am GMT-5
Revised: Apr 25, 2005 8:28 pm GMT-5

Version History

Version: 2.15 Apr 25, 2005 8:28 pm GMT-5 by Charlet Reedstrom
Changes:
update to cnxml-0.5

Version: 2.14 Aug 16, 2002 12:00 am GMT-5 by (Unknown)
Changes:
Changed a section title.

Version: 2.13 Jun 18, 2002 12:00 am GMT-5 by (Unknown)
Changes:
updated to 4.0

Version: 2.12 Jun 15, 2002 12:00 am GMT-5 by (Unknown)
Changes:
changed module name

Version: 2.11 Apr 2, 2002 12:00 am US/Central by (Unknown)
Changes:
Changed number-constant pi to built-in pi.

Version: 2.10 Sep 11, 2001 12:00 am GMT-5 by Brent Hendricks
Changes:
Converted to CNXML 0.3.5

Version: 2.9 Aug 30, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Fixed math typo and a keyword

Version: 2.8 Aug 23, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Fixed danging open parenthesis, line 156 (Jenn)

Version: 2.7 Aug 15, 2001 12:00 am GMT-5 by (Unknown)
Changes:
- Change ID to m0003

Version: 2.6 Jul 17, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Remodularized, minor fixes.

Version: 2.5 May 31, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Highlighted some key terms

Version: 2.4 May 30, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Changed note identifier

Version: 2.3 May 30, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Changed webform abstract

Version: 2.2 May 30, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Updated abstract

Version: 2.1 May 25, 2001 12:00 am GMT-5 by (Unknown)
Changes:
Updated module from cnxml ver 0.2 to ver 0.3

Version: 2.0 Feb 12, 2001 12:00 am US/Central by Brent Hendricks
Changes:
Bumped version to 2.0

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  • the authors' names: Don Johnson
  • the title of the work: The Fundamental Signal
  • the Connexions URL where the work can be found: http://cnx.org/content/m0003/2.15/

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How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:

American Chemical Society (ACS) Style Guide:

Johnson, D. The Fundamental Signal, Connexions Web site. http://cnx.org/content/m0003/2.15/, Apr 25, 2005.

American Medical Assocation (AMA) Manual of Style:

Johnson D. The Fundamental Signal [Connexions Web site]. April 25, 2005. Available at: http://cnx.org/content/m0003/2.15/.

American Psychological Assocation (APA) Publication Manual:

Johnson, D. (2005, April 25). The Fundamental Signal. Retrieved from the Connexions Web site: http://cnx.org/content/m0003/2.15/

Chicago Manual of Style (Bibliography):

Johnson, Don. "The Fundamental Signal." Connexions. April 25, 2005. http://cnx.org/content/m0003/2.15/.

Chicago Manual of Style (Note):

Don Johnson, "The Fundamental Signal," Connexions, April 25, 2005, http://cnx.org/content/m0003/2.15/.

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

Johnson, D. 2005. The Fundamental Signal. Connexions, April 25, 2005. http://cnx.org/content/m0003/2.15/.

Modern Languages Association (MLA) Style Manual:

Johnson, Don. The Fundamental Signal. Connexions. 25 Apr. 2005 <http://cnx.org/content/m0003/2.15/>.