Abstract:A digital hardware architecture is proposed for computation of filter coefficients of 1st-and 2nd-order 2-D IIR beam/fan filters, which are capable of enhancement of RF plane-waves based on their direction of arrival, therefore having applications in steerable digital beamformers. Fan filters are designed using the WDF realization, which has superior sensitivity and stability properties since it is derived from the original passive continuousdomain prototype LC ladder network with impedance-matched resistive t… Show more
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