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- Dictionaryphase modulation
noun
- 1. variation of the phase of a radio or other wave as a means of carrying information such as an audio signal.
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Definition: Phase modulation is another type of angle modulation in which the phase of the carrier wave is changed according to the amplitude (magnitude) of the message (modulating) signal. In phase modulation of an analog signal, the phase change is a continuous back and forth movement.
What is Phase Modulation? The term PM or phase modulation definition is a type of modulation intended for transmitting communication signals. It changes message signal in accordance with the carrier signal due to differences in the immediate phase.
Apr 9, 2020 · What is Phase Modulation? Derivation: PM is a type of angle modulation and it is defined as the change in phase of the carrier signal in correspondence with the amplitude of the message signal. Here, both the frequency and amplitude of the carrier signal stays as constant whereas phase varies in accordance.
With phase modulation, the slope of the baseband signal governs how quickly the phase changes, and the rate at which the phase changes is equivalent to frequency. So in a PM waveform, high baseband slope corresponds to high frequency, and low baseband slope corresponds to low frequency.
Mar 23, 2023 · Phase Modulation: Phase Modulation is a modulation in which the phase of the carrier wave changes according to the instantaneous amplitude of the modulating signal keeping amplitude and frequency constant.
May 26, 2020 · Phase modulation is a type of angle modulation in which the angular argument θ(t) is changed in linear proportion with the instantaneous magnitude of the message signal x(t).
Modulation is defined as a process through which an information-bearing message (i.e., modulating) signal is used to modify (i.e., modulate) some parameter (e.g., amplitude, frequency, phase) of a periodic (such as a high-frequency sinusoidal) signal known as a carrier wave, individually or in combination, to produce the modulated signal for ...
