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High-accuracy direction finding of arbitrarily correlated multipath signals with the use of digital antenna arrays

  • Theory and Methods of Signal Processing
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Abstract

An algorithm of direction finding of a set of arbitrarily correlated multipath harmonic and quasiharmonic signals in the presence of a normal white noise is substantiated. Results of numerical simulation for different variants of correlation between signals arriving at the input of a circular antenna array are presented. It is shown that, in order to increase the accuracy of determination of directions of arrival, number, and amplitudes of the arriving signals with the use of the proposed algorithm, it is expedient to perform preliminary fast Fourier transform procedure with subsequent direction finding at each frequency component.

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Authors and Affiliations

  1. Moscow Aviation Institute, National Research University, Volokolamskoe sh. 4, Moscow, 125993, Russia

    A. A. Vasin & L. I. Ponomarev

  2. OAO MAK Vympel, Chetvertaya ul. Vos’mogo Marta 3, Moscow, 125167, Russia

    O. P. Cheremisin

Authors
  1. A. A. Vasin
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  2. L. I. Ponomarev
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  3. O. P. Cheremisin
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Correspondence to A. A. Vasin.

Additional information

Original Russian Text © A.A. Vasin, L.I. Ponomarev, O.P. Cheremisin, 2015, published in Radiotekhnika i Elektronika, 2015, Vol. 60, No. 12, pp. 1237–1247.

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Vasin, A.A., Ponomarev, L.I. & Cheremisin, O.P. High-accuracy direction finding of arbitrarily correlated multipath signals with the use of digital antenna arrays. J. Commun. Technol. Electron. 60, 1311–1321 (2015). https://doi.org/10.1134/S1064226915120190

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  • DOI: https://doi.org/10.1134/S1064226915120190

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