sideband(redirected from Upper sideband)
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side·bandalso side band (sīd′bănd′)
Either of the two bands of frequencies, one just above and one just below a carrier frequency, that result from modulation of a carrier wave.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) the frequency band either above (upper sideband) or below (lower sideband) the carrier frequency, within which fall the spectral components produced by modulation of a carrier wave. See also single sideband transmission
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