Phase Shift between 0 and pi

TTA
2020 2 3
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更新时间：2020 2 4
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please how can I calculate the phase shift of two signals using a range of 0 to π

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Spencer Chen
Spencer Chen 2020-2-3
Have you tried FFT?
TTA
TTA 2020-2-4
Yes ....I am using FFT. But I am not dealing with some or cosine signal. I am dealing with a fluctuations from a temperature measurements.

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Hiro Yoshino
Hiro Yoshino 2020-2-4

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I wonder if you have a good understanding on FFT :-)
Remember that the signals are discrete and thus the m shift in the time domain results in the multiplication of the following term in the frequency domain:
so the phase shift is obviously given by:
.

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