Difference between revisions of "Modulation"
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Latest revision as of 00:58, 25 February 2009
Deliberate variation of a characteristic (amplitude, phase, frequency) of a relatively higher frequency oscillation in order to transmit information.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM