sideband(redirected from Upper sideband)
Also found in: Acronyms, Encyclopedia.
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.
(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