单词	sideband
释义	sideband /ˈsʌɪdband / noun Telecommunications Each of two frequency bands either side of the carrier wave, which contain the modulated signal.Tone-induced by-products may involve quantizing noise, harmonic distortion and any amplitude or phase modulation sidebands falling outside the reject limits of the notch filter.... The carrier itself is never really set - only the modulation products of the sidebands - so that the methods for measuring power change a bit from analog. The origin bands are usually described as bands, whereas the sidebands are labeled.
随便看	cognomen cognoscente cognoscenti cogon cogon grass cog railway cogwheel cohabit cohabitant cohabitation cohabitee cohabiter Cohan, George M. coheir coheiress cohen Cohen, Leonard cohere coherence coherency coherent coherently coherer cohesion cohesive

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。