From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.

We appreciate your patience as we improve our online experience.

LabVIEW

cancel
Showing results for 
Search instead for 
Did you mean: 

Diagramm of PSD vs frequency

Hi!

my name is Carlos and I need to do a PSD diagram vs frequency. I have my signal's data in an array and the sample rate is 250Hz bust I don't know how to put all this together...

I would be really grateful if somebody could help me....

Thank you very much 

Carlos

0 Kudos
Message 1 of 2
(2,087 Views)

@carlosTU wrote:

Hi!

my name is Carlos and I need to do a PSD diagram vs frequency. I have my signal's data in an array and the sample rate is 250Hz bust I don't know how to put all this together...

I would be really grateful if somebody could help me....

Thank you very much 

Carlos


What have you tried. Did you try looking in functions palette "Signal Processing->Wfm Measurements". There is a function there called "FFT Power Spectrum and PSD.vi".

Read the help file.

 

Here is a very simple PSD example of a Sine Wave. You can easily modify this to fit your data.

 

PSD.png

 

PSD Results.JPG

0 Kudos
Message 2 of 2
(2,060 Views)