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Non-linear spectral estimation
Lagunas Hernandez, Miguel A.
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
This work describes the use of constraints in variational procedures for spectral analysis. It is reported how the designer in a variational approach for spectral estimation has to select a set of constraints. At the same time it is shown that the selected set of constraints becomes more relevant, as concerns with the resulting quality of the estimate, than the objective function minimized or maximized in the procedure. Finally, some examples are presented which are the result of considering correlation and envelope constraints and minimizing the correlation extrapolation energy.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Fourier transformations
Fourier transforms
Frequency domain analysis
Lagrangian functions
Fourier, Transformacions de
Institute of Electrical and Electronics Engineers (IEEE)

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