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Detection performance of airborne FDA-MIMO radar under non-IID RCS scenario

ABSTRACT This paper studies the incoherent square-law detector in the Neyman–Pearson sense for airborne frequency diverse array multiple-input multiple-output (FDA-MIMO) radar system under a non-independent and identically distributed radar cross section model. The presented incoherent square-law detector is suitable for airborne FDA-MIMO radar with arbitrary frequency increments and correlation coefficients and achieves the optimal detection performance. The superiority of FDA-MIMO radar over traditional phased array and MIMO radars in target detection is validated by both theoretical analysis and numerical results.