Calculating Phase difference from workspace data

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Jilan Samiuddin 2015-4-19

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回答： Navaneeth Raman 2015-4-21

采纳的回答： Navaneeth Raman

Hi,

As you can see from the diagram below, I have generated two wave functions from the workspace data and now I am interested in calculating/obtaining the phase difference between the two. Is there any efficient way of doing it in MATLAB or some mathematical formulation that I might be able to use?

FYI: My aim is to plot the bode plot eventually from different sets of data, let's say for an unknown system.

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Navaneeth Raman 2015-4-21

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Hi there,

This has already been answered here:

http://www.mathworks.com/matlabcentral/answers/91647-how-do-i-calculate-the-amplitude-ratio-and-phase-lag-for-two-sinusoidal-signals-in-matlab

HTH, Navaneeth

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