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Static async: Swarmalators form a disk in space and are fully asynchronous in phase. Static phase wave: Swarmalators form an annulus in space with a phase wave (e.g. a full color-wheel or rainbow.) Splintered phase wave: The phase wave splinters into clusters of synchronous swarmalators. Within each cluster, the swarmalators execute periodic ...
Conversely, a phase reversal or phase inversion implies a 180-degree phase shift. [ 2 ] When the phase difference φ ( t ) {\displaystyle \varphi (t)} is a quarter of turn (a right angle, +90° = π/2 or −90° = 270° = −π/2 = 3π/2 ), sinusoidal signals are sometimes said to be in quadrature , e.g., in-phase and quadrature components of a ...
Propagation of a wave packet demonstrating a phase velocity greater than the group velocity. This shows a wave with the group velocity and phase velocity going in different directions. The group velocity is positive, while the phase velocity is negative. [1] The phase velocity of a wave is the rate at which the wave propagates in any medium.
As in time reversal, the wave re-emitted by a phase conjugation mirror will auto-compensate the phase distortion and auto-focus itself on its initial source, which can be a moving object. [ 1 ] Propagation of a time reversal replica demonstrates a remarkable property of phase-conjugated wave fields. [ 2 ]
The group velocity is positive (i.e., the envelope of the wave moves rightward), while the phase velocity is negative (i.e., the peaks and troughs move leftward). The group velocity of a wave is the velocity with which the overall envelope shape of the wave's amplitudes—known as the modulation or envelope of the wave—propagates through space.
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A stream of information about how to amplitude-modulate the I and Q phases of a sine wave is known as the I/Q data. [6] By just amplitude-modulating these two 90°-out-of-phase sine waves and adding them, it is possible to produce the effect of arbitrarily modulating some carrier: amplitude and phase.