sideband

side band

noun Radio.
the band of frequencies at the sides of the carrier frequency of a modulated signal.
Also, sideband.


Origin:
1795–1805

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World English Dictionary
sideband (ˈsaɪdˌbænd)
 
n
See also single sideband transmission 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

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