| 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 |
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| 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) |
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| Version: | 2.15 (history) |
| Created: | Jun 21, 2000 12:00 am GMT-5 |
| Revised: | Apr 25, 2005 8:28 pm GMT-5 |
| Version: | 2.15 Apr 25, 2005 8:28 pm GMT-5 by Charlet Reedstrom |
| Changes: | update to cnxml-0.5 |
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| Version: | 2.14 Aug 16, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | Changed a section title. |
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| Version: | 2.13 Jun 18, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | updated to 4.0 |
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| Version: | 2.12 Jun 15, 2002 12:00 am GMT-5 by (Unknown) |
| Changes: | changed module name |
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| Version: | 2.11 Apr 2, 2002 12:00 am US/Central by (Unknown) |
| Changes: | Changed number-constant pi to built-in pi. |
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| Version: | 2.10 Sep 11, 2001 12:00 am GMT-5 by Brent Hendricks |
| Changes: | Converted to CNXML 0.3.5 |
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| Version: | 2.9 Aug 30, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Fixed math typo and a keyword |
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| Version: | 2.8 Aug 23, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Fixed danging open parenthesis, line 156 (Jenn) |
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| Version: | 2.7 Aug 15, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | - Change ID to m0003 |
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| Version: | 2.6 Jul 17, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Remodularized, minor fixes. |
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| Version: | 2.5 May 31, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Highlighted some key terms |
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| Version: | 2.4 May 30, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Changed note identifier |
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| Version: | 2.3 May 30, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Changed webform abstract |
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| Version: | 2.2 May 30, 2001 12:00 am GMT-5 by (Unknown) |
| Changes: | Updated abstract |
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| 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 |
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| Version: | 2.0 Feb 12, 2001 12:00 am US/Central by Brent Hendricks |
| Changes: | Bumped version to 2.0 |
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Johnson, D. The Fundamental Signal, Connexions Web site. http://cnx.org/content/m0003/2.15/, Apr 25, 2005.
Johnson D. The Fundamental Signal [Connexions Web site]. April 25, 2005. Available at: http://cnx.org/content/m0003/2.15/.
Johnson, D. (2005, April 25). The Fundamental Signal. Retrieved from the Connexions Web site: http://cnx.org/content/m0003/2.15/
Johnson, Don. "The Fundamental Signal." Connexions. April 25, 2005. http://cnx.org/content/m0003/2.15/.
Don Johnson, "The Fundamental Signal," Connexions, April 25, 2005, http://cnx.org/content/m0003/2.15/.
Johnson, D. 2005. The Fundamental Signal. Connexions, April 25, 2005. http://cnx.org/content/m0003/2.15/.
Johnson, Don. The Fundamental Signal. Connexions. 25 Apr. 2005 <http://cnx.org/content/m0003/2.15/>.