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Phase modulation - Wikipedia
https://en.wikipedia.org/wiki/Phase_modulation#:~:text=Phase%20modulation%20is%20widely%20used%20for%20transmitting%20radio,as%20the%20Yamaha%20DX7%2C%20to%20implement%20FM%20synthesis.
Phase modulation | Electronic Music Wiki | Fandom
https://electronicmusic.fandom.com/wiki/Phase_modulation
An increase in the modulation signal causes the phase of the "carrier" signal (the signal being modulated) to be advanced; in effect, it moves the signal forward in time. When the modulation signal decreases, it moves the carrier signal backwards in time. This creates distortions in the carrier signal when the modulation signal is changing.
Phase Modulation of Loudspeakers – AudioChiemgau
https://audiochiemgau.com/phase-modulation-of-loudspeakers
This principle is a general one, described by the formula below and is valid for any note or frequency, even, when only one frequency is played back. Obviously, the phase of the sound pressure is proportional to the membrane travel distance s (t) and to the frequency f considered. The speed c of the sound is 343 m/s under normal conditions.
Frequency and Phase Modulation
https://www.csun.edu/~skatz/katzpage/sdr_project/sdr/FM_and_PM.pdf
• For tone modulation: Modulation index, b = Df/ f m • BW = 2(k f A m + f m) • PM: • For tone modulation: Modulation index, b = k p A m • BW = 2(k p A m +1)f m • Increasing frequency has a more profound effect on the BW of PM 10/14/08 21
Phase Modulation – Physics and Radio-Electronics
https://www.physics-and-radio-electronics.com/blog/phase-modulation/
Phase modulation is the process of transmitting information over a carrier wave by varying its phase in accordance with the amplitude of the message signal. Phase Modulation Diagram In phase modulation, the phase of the carrier signal is varied whereas the amplitude of the carrier signal remains constant. Phase modulation is also referred to as PM.
Phase Modulation - MATLAB & Simulink - MathWorks
https://www.mathworks.com/help/comm/ug/phase-modulation.html
Phase Modulation Phase modulation is a linear baseband modulation technique in which the message modulates the phase of a constant amplitude signal. Communications Toolbox™ provides modulators and demodulators for these phase modulation techniques: Phase shift keying (PSK) — Binary, quadrature, and general PSK
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