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Protection of Coherent Pulse Radars against Combined Interferences. 2. Analysis of Influence of Decorrelating Factors on Efficiency of Adaptive Sequential STSP

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Abstract

This is the second paper in a series of articles devoted to modern methods of protection of coherent-pulse radars against the combined interference (i.e., an additive mixture of internal noise, masking clutter and noise jamming). Quantitative analysis of the influence of decorrelating factors on the efficiency of sequential adaptive systems with separate space-time signal processing (STSP) against the background of combined interference has been performed under conditions when the spatial processing with noise jamming compensation precedes the inter-period processing with clutter compensation. The analysis-based values of energy losses during the fluctuations of the random estimate of the spatial processing weight vector obtained for each sounding period over the limited size classified sample of noise jamming confirm the need to fix (store) this vector for the period of the inter-period clutter compensation. It is shown that the additional lack of classification of the training sample of interference increases the energy losses.

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Authors and Affiliations

  1. Kvant Radar Systems Scientific Research Institute, Kyiv, Ukraine

    V. P. Riabukha, A. V. Semeniaka & Ye. A. Katiushyn

  2. Ivan Kozhedub Kharkiv National Air Force University, Kharkiv, Ukraine

    D. V. Atamanskiy

Authors
  1. V. P. Riabukha
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  2. A. V. Semeniaka
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  3. Ye. A. Katiushyn
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  4. D. V. Atamanskiy
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Correspondence to V. P. Riabukha.

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ADDITIONAL INFORMATION

V.P. Riabukha, A.V. Semeniaka, Ye.A. Katiushyn, D.V. Atamanskiy

The authors declare that they have no conflicts of interest.

This article does not contain any studies with human participants or animals performed by any of the authors.

The initial version of this paper in Russian is published in the journal “Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika,” ISSN 2307-6011 (Online), ISSN 0021-3470 (Print) on the link http://radio.kpi.ua/article/view/S0021347021110017 with DOI: https://doi.org/10.20535/S0021347021110017

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika, No. 11, pp. 659-672, November, 2021 https://doi.org/10.20535/S0021347021110017 .

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Riabukha, V.P., Semeniaka, A.V., Katiushyn, Y.A. et al. Protection of Coherent Pulse Radars against Combined Interferences. 2. Analysis of Influence of Decorrelating Factors on Efficiency of Adaptive Sequential STSP. Radioelectron.Commun.Syst. 64, 573–583 (2021). https://doi.org/10.3103/S0735272721110017

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  • DOI: https://doi.org/10.3103/S0735272721110017

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