Hurst Modeling
Last update : 13/3/2007

periodogram - Perform the periodogram of the signal x

Calling Sequence

[I]=periodogram(x)

Parameters

Description

Perform the periodogram of the signal x.

Examples

  x=read('./demos/fgn',-1,1);
  x=x';
  [I]=periodogram(x);
  scf;
  subplot(2,1,1);plot(x);xtitle('x');
  lx=length(I);
  if (modulo(lx,2)==1)
  ind=-int(lx/2):int(lx/2);
  else
  ind=-int(lx/2):int(lx/2)-1;
  end
  subplot(2,1,2);plot2d(ind,fftshift(I));xtitle('Periodogram');
  

Authors

Foued Melakessou University of Luxembourg

Bibliography

Intra Project 2004-2007

Used Function

periodogram.