Williams, Mick; Abhayapala, Thushara; Kennedy, Rodney
We propose a new broadband beamformer design technique which produces an optimal receiver beam pattern for any set of field measurements in space and time. The modal subspace decomposition(MSD) technique is based on projecting a desired pattern into the subspace of patterns achievable by a particular set of space-time sampling positions. This projection is the optimal achievable pattern in the sense that it minimizes the mean-squared error(MSE) between the desired and actual patterns. The main...[Show more]
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