## Phase Difference

Hi i have read that one signal is polarized when the phase remains the same (the phase difference is always the same) But what is the phase difference?
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 Recognitions: Science Advisor In what context are you referring? The phase differernce of a periodic function is simply the time difference between corresponding points of two different functions. For example, three phase electrical. The phase difference is 120°. In vibrations, there are phase differences as well. Take a look here: http://www.du.edu/~jcalvert/tech/threeph.htm and here: http://cipco.apogee.net/foe/frwt.asp

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