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<p>We present experimental results on recognition of propeller-modulated radar signals based on the eigenvalue analysis of a sample correlation matrix for a Yak-52 propeller-driven sports and training aircraft, a Robinson R44 light multipurpose commercial helicopter, and a turbofan passenger aircraft. A case is considered where methods based on the discrete Fourier transform and superresolution for the low reflectivity of aircraft propellers fail to identify the spectral components of propeller modulation.</p>

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Experimental Studies of Recognition of Propeller-Modulated Radar Signals Based on the Eigenvalue Analysis of a Sample Correlation Matrix

  • 期刊论文

  • 发表日期：

    2026年7月21日

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  • S. A. Kozlov,
  • O. E. Kudryashova,
  • E. S. Fitasov,
  • A. D. Ilyasafov,
  • A. E. Timofeev

摘要

We present experimental results on recognition of propeller-modulated radar signals based on the eigenvalue analysis of a sample correlation matrix for a Yak-52 propeller-driven sports and training aircraft, a Robinson R44 light multipurpose commercial helicopter, and a turbofan passenger aircraft. A case is considered where methods based on the discrete Fourier transform and superresolution for the low reflectivity of aircraft propellers fail to identify the spectral components of propeller modulation.