tone-modulated waves

tone-modulated waves

[′tōn ¦mäj·ə‚lād·əd ‚wāvz]
(communications)
Waves obtained from continuous waves by amplitude-modulating them at audio frequency in a substantially periodic manner.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.