01 adj. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; -- of the carrier …
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1.
Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; -- of the carrier wave of a radio signal transmitted from one device to another for the purpose of conveying information. Opposite of unmodulated.(Electronics)
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2.
altered in volume as well as tone or pitch.