Demonstrates improved range-Doppler estimation in pulse-agile radars, suggesting enhanced performance.
Range sidelobe modulation (RSM) limits the performance of pulse‐agile radars. This letter proposes an expectation–maximisation (EM)‐based range–Doppler (RD) estimator that learns the clutter and target distributions and adjusts a range–Doppler prior map. By optimising the shrinkage strength via prior weighting, the proposed method improves RSM suppression in the region of interest. Simulation results validate its effectiveness.
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Xu et al. (2026) studied this question.
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