harmonic signal analyzer to magnitudes and phases?

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Khaled Abojlala
Khaled Abojlala 2017-8-10
Hi I am working on a signal contains a fundamental 60 Hz and harmonic at 120 Hz, I need to find the magnitude and phase shift of the two signal.However, I can't use FFT due to some reasons. The use of Fourier analyzer gives me a wrong magnitude of the harmonic component. any Ideas, please?

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