plotting a power spectrum

Hello

I am new to Matlab and I have an X-ray image that I would like to plot its power spectrum. Can anyone help?

Thank you in advance

Answer 1

[Shashank Prasanna]

http://www.mathworks.com/help/signal/ref/dspdata.psd.html

http://www.mathworks.com/help/signal/ref/spectrum.periodogram.html

Check out the examples in the above link