group modulation


Also found in: Acronyms.

group modulation

[′grüp ‚mäj·ə′lā·shən]
(communications)
Process by which a number of channels, already separately modulated to a specific frequency range, are again modulated to shift the group to another range.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.