Created page with 'The following applies to the analysis of data or signals :<math>X_i(t)\,</math> The standard cross spectrum is the Fourier transform of the correlation :<math>C_1(t_1) = \left…'
(Created page with 'The following applies to the analysis of data or signals :<math>X_i(t)\,</math> The standard cross spectrum is the Fourier transform of the correlation :<math>C_1(t_1) = \left…')