Abstract
In this work, we address the problem of detecting the presence of target signal while rejecting potential deceptive jamming under the multiple-input multiple-output (MIMO) radar with frequency diverse array (FDA) as the transmit array. The problem at hand is solved resorting to the generalized likelihood ratio test (GLRT); at the design stage we characterize the set where the false target may lie. Since FDA-MIMO radar provides controllable degrees of freedom in both range and angle domains, the set is range-angle related. This implies that the false targets can be rejected due to the mismatch in either range or angle. At the analysis stage, the performance of the detector is assessed in comparison with conventional MIMO scenario. The performance assessment shows that the proposed solutions are effective in presence of ECM systems, especially when facing mainlobe deceptive jamming.
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