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Power spectral density estimation using welch's method

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Hi all,

How can I implement welch method for psd estimation in LabVIEW. Basically, I have large data and I want to efficiently reduce the variance of the periodogram using welch method (which is easy in MATLAB). 

 

Thanks in advance!

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Accepted by topic author Amartansh13

There are numerous discussions on the Web about how Welch's Method relates to the DFT (which, with proper choice of the number of points in the sample, can be performed using the FFT).  Have at it!

 

Bob Schor

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