plural of e-module

(education) A module (unit of education covering a single topic) delivered and assessed by means of computer technology.

Alternative letter-case form of Noetherian module

(electronics) A signal processing function in which two signals (typically a complex signal and a less complex carrier such as a sine wave) are combined to yield an output.

plural of ring modulation

(sound, radio) the use of a modulating wave to vary the instantaneous frequency of a carrier wave

(radio) A method of sending information by modifying (modulating) the intensity (amplitude) of a carrier wave.

Any of a number of techniques whereby a series of information-carrying quantities occurring at discrete instances of time is encoded into a corresponding series of electromagnetic carrier pulses.

A method of sending information by modifying (modulating) the difference in phase (fraction of a wave length) between a signal and a reference.

(algebra) The monoid action of a ring R on an abelian group.