• openAccess   On the second order properties of the multidimensional periodogram for regularly spaced data 

      Porcu, Emilio; Crujeiras Casais, Rosa María; Mateu, Jorge; González-Manteiga, Wenceslao Society for Industrial and Applied Mathematics (2009)
      Recently there is growing interest in improving the level of knowledge of spatial and spatio-temporal processes using spectral techniques. The properties of the estimator of the spectral density, the periodogram, have been ...