Matlab: How to get the PSD of a signal?

  • Thread starter janor
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  • #1
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I'm trying to plot the PSD of a signal, I did it using the fft function but I was wondering if there is another direct method?
 

Answers and Replies

  • #2
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Which version of matlab you are using? i am using matlab 7.8 R2009a. In my version I have a function called 'dspdata.psd' in signal processing toolbox to find psd of input data.
 
  • #3
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yes but I have to use fft first, I meant a command like "spectrum" but without windowing, just takes the signal and outputs the psd.
 

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