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p-m

 - 2 dictionary results
phase modulation  
n.   Abbr. pm or p-m
A type of electronic modulation in which the phase of a carrier wave is varied in order to transmit the information contained in the signal.
pm or p-m  
abbr.  phase modulation
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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