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Detection of moving targets by NULA-SAR system using the generalized detector

In this paper, the generalized detector (GD) designed based on the generalized approach to signal processing is employed by nonuniform linear antenna array synthetic aperture radar (NULA-SAR) system to locate the moving targets in the azimuth (cross-range) direction. GD is proposed to solve the common problem of detection at the low signal-to-noise ratio (SNR) when the conventional estimation of signal is impossible. NULA-SAR systems constructed based on GD demonstrate a high accuracy under estimation of signal parameters in the course of definition of moving target location in comparison with NULA-SAR system designed based on, for example, the Neyman-Pearson receiver.