negative modulation
negative modulation
[′neg·əd·iv ‚mäj·ə′lā·shən] (electronics)
Modulation in which an increase in brightness corresponds to a decrease in amplitude-modulated transmitter power; used in United States television transmitters and in some facsimile systems.
Modulation in which an increase in brightness corresponds to a decrease in the frequency of a frequency-modulated facsimile transmitter. Also known as negative transmission.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The Belar AMMA-2 is a DSP-based, microprocessor-controlled AM modulation monitor that precisely measures and analyzes positive and
negative modulation and carrier level.
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