%0 Journal Article
%A González de Sande, Juan Carlos
%A Santarsiero, Massimo
%A Gori, Franco
%A Piquero Sanz, Gemma María
%T Difference of cross-spectral densities
%D 2014
%@ 0146-9592
%U https://hdl.handle.net/20.500.14352/33572
%X Generally speaking, the difference between two cross-spectral densities (CSDs) does not represent a correlation function. We will furnish a sufficient condition so that such difference be a valid CSD. Using such a condition, we will show through some examples how new classes of CSDs can be generated.
%~