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Enhanced Wideband Adaptive Arrays with Different Length Quadrature Mirror Filter Banks
International Journal of Communication Networks and Information Security
The performance of a sub-band adaptive beamforming array (ABA) using different length quadrature mirror filter banks (QMF) for wideband signals is investigated. Delay taps have to be introduced to the full band ABA for wideband signals' operation for deep suppression of the interference. The addition of more taps may result in an increase of uncorrelated noise to the ABA operation. Hence an undesirable power loss at the direction perpendicular to the ABA may occur. The problem of the lossdblp:journals/ijcnis/Chandran10 fatcat:nmlqhgnotbbmtnqrgoz2vq6ydy