The fields of covariance extension and spectral estimation are at the forefront of modern signal processing and statistical inference. Covariance extension methods focus on reconstructing complete ...

This is a preview. Log in through your library . Abstract This paper considers the problem of incorporating prior information about the shape and smoothness of a spectral density into the formation of ...

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A research team has introduced a novel spectral method for monitoring critical nutrient elements in vegetation within karst wetlands—environments ...

The penalized likelihood approach is not well developed in time series analysis, even though it has been applied successfully in a number of nonparametric function estimation problems. Chow and ...