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单词 sideband
释义 sideband
The band of frequencies above or below the frequency of the carrier wave in a telecommunications system within which the frequency components of the wave produced by modulation fall. For example, if a carrier wave of frequency f is modulated by a signal of frequency x, the upper sideband will have a frequency f + x and the lower sideband a frequency fx
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更新时间:2026/3/8 6:13:40