|1.||the act of modulating or the condition of being modulated|
|2.||music the transition from one key to another|
|a. another word for intonation|
|b. the grammatical expression of modality|
|a. amplitude modulation frequency modulation phase modulation See also velocity modulation the act or process of superimposing the amplitude, frequency, phase, etc, of a wave or signal onto another wave (the carrier wave) or signal or onto an electron beam|
|b. the variation of the modulated signal|
modulation mod·u·la·tion (mŏj'ə-lā'shən)
The functional and morphological fluctuation of cells in response to changing environmental conditions.
The variation of a property in an electromagnetic wave or signal, such as amplitude, frequency, or phase.