V. Skachkov, V. Chepkyi, A. N. Efymchykov, H. Bratchenko, V. Pavlovich
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Evaluating the influence of intrasystem perturbations of the observations covariance matrix on the DF response of adaptive antenna array
In development of an analytical approach to study the class of inverse problems with correlation matrix of observations inversion the expressions that showing the behaviour of direction of arrival (DOA) response of adaptive antenna array under intrasystem uncertainty are obtained. The value intervals for correctly representation of solved problem in the relation to maximum entropy and Capon's methods are defined; DOA reliefs which allow evaluating the perturbations influence of the correlation matrix with different conditionality on the characteristics of the antenna array are built.
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