automatic sensitivity control
Also found in: Acronyms.
automatic sensitivity control[¦ȯd·ə¦mad·ik sen·sə′tiv·əd·ē kən‚trōl]
Circuit used for automatically maintaining receiver sensitivity at a predetermined level; it is similar to automatic gain control, but it affects the receiver constantly rather than during the brief interval selected by the range gate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.