| 释义 |
sideband The band of frequencies, above or below the carrier, created by the process of modulation. The sidebands have considerable value in certain transmission techniques, such as single sideband (SSB), double sideband (DSB), and vestigial sideband (VSB). See also carrier, DSB, frequency, modulate, SSB, and VSB. 74570c19.qxd 9/12/07 12:41 AM Page 438 |