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Efficiency comparison of optimum and adaptive methods for multichannel signal filtering

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Abstract

In this paper, two methods for estimating the efficiency of the multichannel reception of a noisy signal have been compared. The first method is based on sliding optimum estimates of both covariance matrices and response vectors of a useful signal in receiving channels. The second method is based on adaptive noise filtering according to the Widrow–Hoff stochastic gradient descent algorithm. The second method is only shown to provide the maximum reception efficiency if there is no useful signal in additional receiving channels.

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Authors and Affiliations

  1. National Research University Higher School of Economics, Moscow, Russia

    A. P. Baranov

Authors
  1. A. P. Baranov
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Correspondence to A. P. Baranov.

Additional information

Original Russian Text © A.P. Baranov, 2015, published in Problemy Informatsionnoi Bezopasnosti. Komp’yuternye Sistemy.

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Baranov, A.P. Efficiency comparison of optimum and adaptive methods for multichannel signal filtering. Aut. Control Comp. Sci. 49, 615–621 (2015). https://doi.org/10.3103/S0146411615080210

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  • DOI: https://doi.org/10.3103/S0146411615080210

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