How to calculate the Power spectral denstity(PSD) function for rough surface from surface profile z(x,y)? i wanted to plot log C(q) vs log (q). Can anybody help me to calculate the PSD For rough surface?
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<http://arxiv.org/pdf/cond-mat/0502419.pdf See fig 6 , that i want to plot in matlab >
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Mona Mahboob Kanafi
le 4 Fév 2016
Hello,
Probably a little bit late to answer but use below codes for the exact same purposes:
For 2D PSD:
For 1D PSD:
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