How to plot PSD in MATLAB of given ascii value?

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Hello Everybody,
I am very new in MATLAB. I am having a text file containing 1024 ascii values. I want to plot PSD using rectangular or hanning window, fft and take scare of scaling of frequency and magnitude value. Please suggest the MATLAB code for this problem.
Thanks in advance!!!!!!
  1 Comment
Lisa Justin
Lisa Justin on 14 Aug 2013
Edited: Lisa Justin on 14 Aug 2013
First you need to unpack the binary data and convert to matlab format to be able to work with the data in matlab.

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Answers (1)

Richard McCulloch
Richard McCulloch on 27 Jul 2013
Is this what you're trying to do?
Fs = 1000;
t = 0:1/Fs:.3;
x=cos(2*pi*t*200)+randn(size(t));
Hs=spectrum.periodogram;
psd(Hs,x,'Fs',Fs)

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