Reference > The New Dictionary of Cultural Literacy > 23. Technology
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  The New Dictionary of Cultural Literacy, Third Edition.  2002.
 
amplitude modulation
 
 
A type of radio signal in which the amplitude, or strength, of a radio wave is varied in order to carry information from a transmitter to a receiver. (Compare frequency modulation (FM).)  1
 
 
The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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