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I'm trying to do a FFT using I and Q Data, I need help.

I’m collecting data on an Agilent 89600 VSA, and storing it to a file, it stores the data in I and Q format (real and imaginary) in 2 columns.  Can read the data then using “Re/Im to complex” (math function) I go to the “FFT.vi”.  After that is done how do I get it scaled and display it on a graph?  Everything I have tried has not worked.  If anyone can help please do.


LabVIEW 7.1, Windows XP

Thank you

Bob

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Hi, Bob.

This KnowledgeBase discusses how to display complex numbers in a graph. Let me know if this doesn't answer your question.

Have a nice afternoon!
Sarah K.
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National Instruments
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