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The pure supergain beamformers, or MVDR beamformers have better resolution and array gain than conventional delay-and-sum beamformers (CBF), yet are highly sensitive to errors in array parameters. In this paper a robust supergain beamforming (RSBF) method is proposed for circular arrays under unknown array mismatch. The robustness of the array is considered as an optimization objective instead of...
An experimental conformal array with vector sensors is designed and its supergain performance is studied in this paper. The robust supergain beamforming method is formulated as an optimization problem and it can be easily solved using the second-order cone programming. The manifold vector and the noise correlation matrix are both calculated using the real measured data which can alleviate the effects...
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