The transfer of signals occupying a specified frequency band , such as a channel or group of channels, from one portion of the frequency spectrum to another, in such a way that the arithmetic frequency difference of signals within the band is unaltered. ( 188 )
FREQUENCY TRANSLATION
Meaning of FREQUENCY TRANSLATION in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012