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phase-modulation signal

См. также в других словарях:

  • 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 — 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 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

  • 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

  • phase modulation — Electronics. radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal. [1925 30] * * * …   Universalium

  • phase modulation — /feɪz mɒdʒəˈleɪʃən/ (say fayz mojuh layshuhn) noun radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal …  

  • Continuous phase modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Cross-phase modulation — (XPM) is a nonlinear optical effect where one wavelength of light can affect the phase of another wavelength of light through the optical Kerr effect. Contents 1 Applications of XPM 2 XPM in DWDM applications 3 See also …   Wikipedia

  • Carrierless amplitude phase modulation — (CAP) is a non standard variation of quadrature amplitude modulation (QAM). Instead of modulating the amplitude of two carrier waves, CAP generates QAM signal by combining two PAM signals filtered through two filters designed so that their… …   Wikipedia

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