direct-current picture transmission
direct-current picture transmission[də¦rekt ¦kə·rənt ′pik·chər tranz‚mish·ən]
Television transmission in which the signal contains a dc component that represents the average illumination of the entire scene. Also known as direct-current transmission.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.