A subcarrier is a separate analog or digital signal carried on a main radio transmission, which carries extra information such as voice or data. More technically, it is an already-modulated signal, which is then modulated into another signal of higher frequency and bandwidth. This is an early and simple method of multiplexing. ==FM stereo== Stereo...
Found on
http://en.wikipedia.org/wiki/Subcarrier
Modulation applied to a carrier which is itself modulated with information-carrying variations.
Found on
http://www.braeunig.us/space/glossary.htm
(from the article `telemetry`) In most telemetering systems, modulation is carried out in two stages. First, the signal modulates a subcarrier (a radio-frequency wave the frequency ...
Found on
http://www.britannica.com/eb/a-z/s/177
A second signal piggybacked onto a main signal to carry additional information. In satellite television transmission, the video picture is transmitted over the main carrier. The corresponding audio is sent via an FM subcarrier. Some satellite transponders carry as many as four special audio or data ...
Found on
http://www.daviddarling.info/encyclopedia/S/subcarrier.html
Modulation applied to a carrier which is itself modulated with information-carrying variations.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.
