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 device for the pulse modulation of a radio-frequency carrier signal

plural of phase modulator

plural of amplitude modulation

(astronautics) The spacecraft used in the Apollo missions that was designed for the landing on the surface of the Moon; the lunar excursion module.

plural of pulse modulator

plural of pulse modulation

plural of frequency modulation

plural of module pattern

(software, design) A structural design pattern to implement the concept of software modules (modular programming) in a programming language that lacks support for them.