Optimal Monopulse Beamforming for Side-Looking Airborne Radars

Abstract : The synthesis of the optimal excitations of the sum and the difference patterns in planar active electronically scanned arrays (AESAs) for side-looking airborne monopulse radar systems is addressed. Under the assumption that each array element is equipped with a single transmit receive module (TRM ), which is shared among all patterns, the complex (amplitude and phase) TRM coefficients are optimized with a customized convex programming procedure to yield a sum beam with maximum directivity and difference beams with maximum slope along the boresight direction as well as asymmetric sidelobes envelope for noise suppression from half-space. Representative results from a synthesized AESA devoted to a real airborne application are illustrated and discussed to give some insights to the interested readers on the features and the potentialities of the proposed synthesis approach.
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Giorgio Gottardi, Lorenzo Poli, Paolo Rocca, Alessandro Montanari, Angelo Aprile, et al.. Optimal Monopulse Beamforming for Side-Looking Airborne Radars. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2016, 16, pp.1221 - 1224. ⟨http://ieeexplore.ieee.org/document/7744536/⟩. ⟨10.1109/LAWP.2016.2628881⟩. ⟨hal-01578358⟩



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