Sine fitting - extra modulation

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Sine fitting - extra modulation

Pikano
Unladen Swallow

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Joined: Jan 2023

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Jan-03-2023, 01:33 PM

Hi,
I have some issues with sine fitting, I use a very simple sine equation

y = a + b*np.sin(N_p*theta+c)

but the result gives me some kind of extra modulation on amplitude. Maybe someone has experienced a similar issue?

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Sine fitting - extra modulation - by Pikano - Jan-03-2023, 01:33 PM

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