The Fast Fourier Transform (FFT) is a widely used algorithm that computes the Discrete Fourier Transform (DFT) using much fewer operations than a direct implementation of the DFT. FFTs are of great ...
parameter DATA_WIDTH_IN = 10, input [DATA_WIDTH_IN-1:0] din_re, input [DATA_WIDTH_IN-1:0] din_im, input din_valid, output [DATA_WIDTH_OUT-1:0] dout_re, output [DATA ...
Abstract: In this paper, we propose the modified Single-path Delay Feedback (SDF) architecture for FFT implementation, which implements a mixed Decimation-in-Frequency (DIF) / Decimation-in-Time (DIT) ...
Abstract: The decimation-in-time (DIT) fast Fourier transform (FFT) very often has advantage over the decimation-in-frequency (DIF) FFT for most real-valued applications, like speech/image/video ...
input wire [DATA_WIDTH_IN-1:0] din_real, input wire [DATA_WIDTH_IN-1:0] din_imag, output reg [DATA_WIDTH_OUT-1:0] dout_real, output reg [DATA_WIDTH_OUT-1:0] dout_imag ...
Accurate frequency estimation in a wideband digital receiver using the FFT algorithm encounters challenges, such as spectral leakage resulting from the FFT’s assumption of signal periodicity.
This FFT is an efficient implementation of the Decimation in Frequency (DIF) Cooley-Tukey FFT. Using low FPGA/ASIC resources and a high clock speed, t ...
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