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Author: Admin | 2025-04-27
OverviewThis repository contains the design and implementation of a 32-point Fast Fourier Transform (FFT) processor utilizing a pipelined architecture based on the radix-2 Decimation-In-Frequency (DIF) algorithm.Introduction:I present a novel pipelined fast Fourier transform (FFT) architecture which is capable of producing the output sequence in normal order. A single-path delay commutator processing element (SDC PE) has been proposed for the first time. It saves a complex adder compared with the typical radix-2 butterfly unit. The new pipelined architecture can be built using the proposed processing element. The proposed architecture can lead to 100% hardware utilization and 50% reduction in the overall number of adders required in the conventional pipelined FFT designs. In order to produce the output sequence in normal order, we also present a bit reverser, which can achieve a 50% reduction in memory usage.Building a 32-point pipelined FFT processor involves breaking down the FFT computation into stages and implementing those stages in a pipelined manner to optimize throughput. This README provides an overview of the algorithm, architecture, and implementation steps for creating such a processor.Radix-2 DIF FFTThe radix-2 DIF FFT algorithm is a recursive process that divides the input data into smaller Discrete Fourier Transforms (DFTs) and combines them to form larger DFTs. For a 32-point FFT, the process involves sequential stages:1. Stage 1: Divide the 32-point input into two sets of 16-point sequences.2. Stage 2: Further divide each 16-point sequence into two 8-point sequences.3. Stage 3: Divide each 8-point sequence into four 4-point sequences.4. Stage 4: Continue this
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