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[4, 2020] 

Journal of Electrical Engineering, Vol 71, 4 (2020) 175-184 10.2478/jee-2020-0024

Estimating DOA and PPS parameters of signal received
by ULA in heavy noise environment

Igor Djuroviæ – Marko Simeunoviæ – Vladimir V. Lukin

   Estimation of the direction-of-arrival (DOA) and parameters of polynomial phase signal (PPS) impinging on the uniform linear array (ULA) of sensors in heavy-tailed noise environments is considered in this paper. To estimate signal parameters, a recently proposed quasi maximum-likelihood (QML) estimator is adopted. The proposed algorithm consists of two successive steps: (1) noise influence mitigation by using the proposed normalization strategy and (2) signal parameters estimation using the DOA-QML approach. The algorithm performance is evaluated for both monocomponent and multicomponent signals.

Keywords: polynomial-phase signal, impulsive noise, Fourier transform, uniform linear array, direction of arrival, parameter estimation


[full-paper]


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