单词 | side band |
释义 | side bandor sidebandnoun Radio.the band of frequencies at the sides of the carrier frequency of a modulated signal. Origin of side bandFirst recorded in 1795–1805 Words nearby side bandsiddur, side, side against, sidearm, side arms, side band, sidebar, side bet, sideboard, sideboards, sidebone Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for side bandsideband / (ˈsaɪdˌbænd) / nounthe 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 waveSee also single sideband transmission Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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