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 fft phase, equivalent to fft_amp?

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UKrieger Posted - 06/19/2018 : 06:28:11 AM
Hi all,

is there an equivalent to the fft_amp command for retrieving the phase info? Or do I need to program it manually from the real and imaginary data?

Thanks, Uli



Origin Ver. and Service Release (Select Help-->About Origin): 9.1.0 Sr3
Operating System:Win 10
3   L A T E S T    R E P L I E S    (Newest First)
yuki_wu Posted - 06/24/2018 : 11:15:40 PM
Hi Uli,

You could take a look at these two function:
https://www.originlab.com/doc/OriginC/ref/fft_unwrap_phase
https://www.originlab.com/doc/OriginC/ref/fftw_fft_unwrap_phase

Or use the LabTalk function fftphase by OC calling LabTalk:
https://www.originlab.com/doc/OriginC/ref/LT-Evaluate-GlobalFunction

Hope it can be some help.

Regards,
Yuki
OriginLab
UKrieger Posted - 06/22/2018 : 07:49:20 AM
Thank you very much Yuki,

I did see that there is indeed a LabTalk function fftphase. I can use this one, but is there an equivalent for OriginC?

Regards, Uli
yuki_wu Posted - 06/19/2018 : 11:45:23 PM
Hi,

Perhaps you are looking for the fftamp LabTalk function?
https://www.originlab.com/doc/LabTalk/ref/fftamp-func

Regards,
Yuki
OriginLab

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