Abstract
A VLSI hardware architecture for the on-chip implementation of a first-order 3D IIR fully-multiplexed frequency-planar filter module (FMFPM) is proposed. FMFPMs may be employed in 3D IIR video filtering and sensor-array based plane-wave filtering applications. The proposed FMFPM can potentially be used as a 3D IIR building block circuit for the realization of second (or higher) order frequency-planar filters, 3D IIR beam filters, multiple passband beam filters and multiple passband frequency-planar filters which are required for realizing 3D IIR cone filter banks. An M = 4 passband frequency-planar filter example is provided using a single Xilinx Virtex-II xc2v2000fg676-4 FPGA device.
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