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This paper presents a new pipelined hardware architecture for the computation of the real-valued fast Fourier transform (RFFT). The proposed architecture takes advantage of the reduced number of operations of the RFFT with respect to the complex fast Fourier transform (CFFT), and requires less area while achieving higher throughput and lower latency. The architecture is based on a novel algorithm...
A new memoryless CORDIC algorithm for the FFT computation is proposed in this paper. This approach calculates the direction of the micro-rotations from the control counter of the FFT, so the area of the rotator hardly depends on the number of rotations, which is particularly suitable for the computation of FFTs of a high number of points. Moreover, the new CORDIC presents other advantages such as...
In this paper a tool aimed at generating fast Fourier transform (FFT) cores targeting FPGA platforms was presented. The tool is able to generate different pipelined architectures of the FFT that provide different points of the design space: from high performance to low area implementations. The user can select the most suitable architecture based on a broad set of configuration parameters, as they...
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