Abstract
This paper treats of the identification of parametric transfer function matrix. The method is based on the inner-outer factorization of a stable transfer function matrix. The outer part is identified by the use of the second-order spectral estimate, from the observed linear process, while the inner part is identified by the use of a higher-order cumulant spectral estimate, from the observed process. Respective parameter estimators are determined in the light of asymptotic efficiency. In order to estimate the order of the inner part, a criterion IIC is introduced based on the same principle as in the case of Akaike’s AIC.
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Kumon, M. Identification of transfer function matrix using higher-order spectra. Japan J. Indust. Appl. Math. 13, 217–233 (1996). https://doi.org/10.1007/BF03167244
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DOI: https://doi.org/10.1007/BF03167244