fast automatic gain control
Also found in: Acronyms.
fast automatic gain control[′fast ‚ȯd·ə‚mad·ik ′gān kən‚trōl]
Radar automatic gain control method characterized by a response time that is long with respect to a pulse width, and short with respect to the time on target.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.