<!--[[Image:Phase_shift.png|thumb|300px|right|Illustration of [[Phase_shifting | phase shift]]. The horizontal axis represents an angle (phase) that is increasing with time.]]-->
A '''phaseNgagésérna shiftfase''' isnyaéta alsoperbédaan aatawa differenceparobahan orfase change in thedina ''initialfase phaseawal''. IfLamun <math>s(t)\,</math> is delayedkatunda (time-shiftedngagésér waktuna) bysalila <math>\begin{matrix} \frac{1}{4} \end{matrix}\,</math> of itstina cyclesikleusna, itmangka becomesjadi''':'''
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whosenumana initialfase phase isawalna <math>\theta - \begin{matrix}\frac{\pi }{2} \end{matrix}</math>. Thus,Ku asabab shiftéta, inngagésérna timewaktu isékivalén equivalentjeung tongagésérna a phase shiftfase. ConverselySabalikna, a change in the initial phaseparobahan isfase tantamountawal toogé asarua shiftjeung inngagésérna timewaktu.
