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This paper proposes a pipelined, systolic architecture for two-dimensional discrete Fourier transform computation which is highly concurrent. The architecture consists of two, one-dimensional discrete Fourier transform blocks connected via an intermediate buffer. The proposed architecture offers low latency as well as high throughput and can perform both one- and two-dimensional discrete Fourier transforms. The architecture supports transform length that is not power of two and not based on products of co-prime numbers. The simulation and synthesis were carried out using Cadence tools, NcSim and RTL Compiler, respectively, with 180 nm libraries.
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