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Frequency modulation - 6 dictionary results
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frequency modulation

 
–noun Electronics, Radio.
FM.
Origin:
1920–25
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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frequency modulation  
n.   Abbr. FM
The encoding of a carrier wave by variation of its frequency in accordance with an input signal.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
frequency modulation

noun
modulation of the frequency of the (radio) carrier wave 

WordNet® 3.0, © 2006 by Princeton University.
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frequency modulation  
A method of transmitting signals, especially in radio broadcasting, in which the value of the signal is given by the frequency of a high frequency carrier wave. In FM radio transmission, for example, the signal to be carried is a sound wave, and its increasing and decreasing value is reflected in the increasing and decreasing frequency of a radio frequency carrier wave. Compare amplitude modulation.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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frequency modulation (FM)

A type of radio signal in which the frequency of the radio wave is varied to carry information from the transmitter to the receiver. (Compare amplitude modulation (AM).)


The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Frequency Modulation communications
(FM) A method of encoding data by varying the frequency of a constant amplitude carrier signal.
Contrast Amplitude Modulation.
(2001-04-02)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Low Frequency Integrator
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