amplitude modulation
Množina: amplitude modulations
A method of encoding information in a transmission, such as radio, using a carrier wave of constant frequency but of varying amplitude. See the illustration. Acronym: AM. Compare frequency modulation.
Modulation of the amplitude of the (radio) carrier wave; SYN. AM.
(AM) Method by which radio waves are altered for the transmission of broadcasting signals. AM waves are constant in frequency, but the amplitude of the transmitting wave varies in accordance with the signal being broadcast.
amplificatory · amplified · amplifier · amplify · amplifying · amplitude · amplitude modulated signal · amplitude modulation · amplitude quantization · amplitudinous · amply · ampoule · ampster · amptman · ampulla · ampullaceous