- phase modulation
- (PM)Modulation in which the angle relative to the unmodulated carrier changes according to the value of the amplitude of the modulating signal.
IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
phase modulation
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Phase modulation — (PM) is a form of modulation that represents information as variations in the instantaneous phase of a carrier wave.Unlike its more popular counterpart, frequency modulation (FM), PM is not very widely used. This is because it tends to require… … Wikipedia
phase modulation — n. Radio variation in the phase of a carrier wave in accordance with some signal, as speech … English World dictionary
Phase Modulation — [engl.], Phasenmodulation … Universal-Lexikon
phase modulation — fazės moduliavimas statusas T sritis automatika atitikmenys: angl. phase modulation vok. Phasenmodulation, f rus. фазовая модуляция, f pranc. modulation de phase, f … Automatikos terminų žodynas
phase modulation — fazės moduliavimas statusas T sritis Standartizacija ir metrologija apibrėžtis Veiksmas, kuriuo pagal tam tikrą dėsnį keičiama nešlio fazė. atitikmenys: angl. phase modulation vok. Phasenmodulation, f rus. фазовая модуляция, f pranc. modulation… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
phase modulation — fazės moduliavimas statusas T sritis fizika atitikmenys: angl. phase modulation vok. Phasenmodulation, f rus. фазовая модуляция, f pranc. modulation de phase, f … Fizikos terminų žodynas
phase modulation — fazės moduliavimas statusas T sritis informatika apibrėžtis ↑Moduliavimas, kai signalas, priklausomai nuo jo amplitudės, keičia ↑nešlio fazę. Santrumpa FM. Jeigu signalas analoginis, tai nešlio fazė keičiama tolydžiai. Kai amplitudė teigiama – į… … Enciklopedinis kompiuterijos žodynas
phase modulation — phase′ modula tion n. elo elo radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal • Etymology: 1925–30 … From formal English to slang
phase modulation — noun modulation of the phase of the carrier wave • Syn: ↑PM • Hypernyms: ↑modulation … Useful english dictionary
phase modulation — noun Date: 1930 modulation of the phase of a radio carrier wave by voice or other signal … New Collegiate Dictionary
phase modulation — noun A method of sending information by modifying (modulating) the difference in phase (fraction of a wave length) between a signal and a reference. See Also: phase modulator … Wiktionary
