Extrapolation, Interpolation, and Smoothing of Stationary Time Series
Extrapolation, Interpolation, and Smoothing of Stationary Time Series
Factorization of moving-average spectral densities by state-space representations and stacking
Journal of Multivariate Analysis
On the behavior of causal projections with applications
Signal Processing
Paper: Efficient algorithm for matrix spectral factorization
Automatica (Journal of IFAC)
A Toeplitz algorithm for polynomial J-spectral factorization
Automatica (Journal of IFAC)
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An algorithm is derived for the numerical spectral factorization of matrices arising in optimal filter design. The method uses a bilinear transformation to convert the factorization problem into a stable nonlinear difference equation of the Riccati type. The computer solution of several examples is presented to illustrate the technique.