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Theory of Probability and Mathematical Statistics

ISSN 1547-7363(online) ISSN 0094-9000(print)

 
 

 

The asymptotic normality for the least squares estimator of parameters in a two dimensional sinusoidal model of observations


Authors: O. V. Ivanov and O. V. Lymar
Translated by: S. V. Kvasko
Journal: Theor. Probability and Math. Statist. 100 (2020), 107-131
MSC (2010): Primary 62J02; Secondary 62J99
DOI: https://doi.org/10.1090/tpms/1100
Published electronically: August 4, 2020
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Abstract: A two dimensional trigonometric model of observations is considered. Various discrete modifications of this model have received considerable attention in the literature on signal processing due to important applications of such models in the analysis of the textured surfaces. The asymptotic normality of the least squares estimator for amplitudes and angular frequencies is proved for this trigonometric regression model under the assumption that the random noise is a homogeneous and isotropic Gaussian, in particular, strongly dependent, random field on the plane.


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Additional Information

O. V. Ivanov
Affiliation: Department of Mathematical Analysis and Probability Theory, Faculty for Physics and Mathematics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremogy Avenue, 37, Kyiv 03057, Ukraine
Email: alexntuu@gmail.com

O. V. Lymar
Affiliation: Department of Mathematical Analysis and Probability Theory, Faculty for Physics and Mathematics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremogy Avenue, 37, Kyiv 03057, Ukraine
Email: malyar.ol95@gmail.com

Keywords: Two dimensional sinusoidal model, homogeneous and isotropic Gaussian random field, least squares estimator, reduction theorem, asymptotic uniqueness, Brouwer’s fixed-point theorem, spectral measure of the regression function, $\mu$-admissibility, asymptotic normality
Received by editor(s): January 19, 2019
Published electronically: August 4, 2020
Article copyright: © Copyright 2020 American Mathematical Society