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bug with spectrum info

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Hi,

 

I have some probleme with the vi FRF which computes Frequency Response. In the cluster "spectrum info", the channel name is not modified when the vi FRF is in a loop. It seems that this problem is when the polymorphic selection of the vi is defined on "1 stimulus, 1 response.

The attached vi shows my problem for a better understanding of the "bug".

The channelname (and maybe other properties of the spectrum) is not modified. I would like to store the result of the FRF vi in a TDMS file with the polymorphic VI "Write in TDMS" available in the toolkit Sound&Vibration. The Spectra should be saved with all the properties and the channelname should change....

 

Anybody has an idee to correct this problem ? Maybe I do not use the Frequency Response as it should be, but it seems that there is a bug in the vi.

 

Thanks for your help.

 

Mathieu
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Solution
Accepted by topic author MathieuSG

Hi,

 

I found what was wrong in my code.

In order to have the correct "spectrum info", I have to put the input "restart averaging" on  the True value on the Frequency Response vi.

 

Mathieu

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