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 fft phase, equivalent to fft_amp?		  New Topic  Reply to Topic
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UKrieger

Switzerland
16 Posts
Posted - 06/19/2018 :  06:28:11 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
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

yuki_wu

896 Posts
Posted - 06/19/2018 :  11:45:23 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
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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UKrieger

Switzerland
16 Posts
Posted - 06/22/2018 :  07:49:20 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
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
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yuki_wu

896 Posts
Posted - 06/24/2018 :  11:15:40 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
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
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