FFT FAST FOURIER TRANSFORM PROCESSOR-VLSI PROJECT


Efficient FPGA implementation of FFT /IFFT processor
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The Fast Fourier Transform ( FFT ) and its inverse (IFFT) are very important algorithms in signal processing, software-defined radio, and the most promising modulation technique; Orthogonal Frequency Division Multiplexing (OFDM). This paper explains the

Reconfigurable VLSI architecture for FFT processor
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This paper presents a reusable intellectual property (IP) Coordinate Rotation Digital Computer (CORDIC)-based split-radix fast Fourier transform ( FFT ) core for orthogonal frequency division multiplexer (OFDM) systems, for example, Ultra Wide Band (UWB)

A scalable and high-performance FFT processor , optimized for UWB-OFDM
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Retargetable application specific instruction-set processor (ASIP) based designs aim to match the extent of programmability of a general-purpose solution and yet provide efficient performance in terms of data computation rate and area utilization-as delivered by an

FPGA implementation of radix-22 pipelined fft processor
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The Fast Fourier Transform ( FFT ) is very important algorithm in signal processing, softwaredefined radio, and wireless communication. This paper explains the realization of radix-22 single-path delay feedback pipelined FFT processor . This architecture has the

Genetic algorithm optimization for coefficient of FFT processor
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This paper describes the implementation of Single-objective Genetic Algorithm (SOGA) and Multi-objectives Genetic Algorithm (MOGA) to optimize the pipelined Fast Fourier Transform ( FFT ) coefficient in order to improve the performance of Signal to Noise Ratio (SNR) and

A Register Array Based Low Power FFT Processor for Speech Recognition.
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Fast Fourier Transform ( FFT ) plays an important role in the field of digital signal processing. High performance FFT processors are widely used in different application, such as speech processing, image processing, and communication system. In this paper, we proposed a

High precision 1024-point FFT processor for 2D object detection
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Driven by the steady increa. se in automation, demand for efficient Sys¬ tems of objectrecognitionand localization keeps growing. Automated manufacturingand quality controls (visual mspcction) ancl autonomous robots (robot-guidance) are some

FPGA based implementation of FFT processor using different architectures
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The Fast Fourier Transform ( FFT ) is an efficient algorithm for computing the Discrete Fourier Transform (DFT) and requires less number of computations than that of direct evaluation of DFT. It has several applications in signal processing. Because of the complexity of the

A Possible 100MSPS Altera FPGA FFT Processor
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This document describes a FPGA implementation and simulation of the FFT component of the IIP Radiometer RFI processor described in . The FFT processor will ideally be capable of processing 100% of the input bandwidth (100 MSPS.) The chosen FFT length (1024) is a

Implementing FFT in an FPGA co- processor
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ABSTRACT The Fast Fourier Transform ( FFT ) is a computationally intensive digital signal processing (DSP) function widely used in applications such as imaging, software-defined radio, wireless communication, instrumentation and machine inspection. Historically, this

Implementation of a Single FFT Processor
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This document describes a FPGA implementation and simulation of the FFT component of the IIP Radiometer RFI processor described in . A possible implementation of this FFT component has been previously described in . Here a single FFT processor will be

An FFT processor based on 16-point module
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The number of multiplications has been a key merit for FFT algorithms. It has important impact on the total power consumption. In this paper, we present a 16-point FFT module, which reduces the multiplicative complexity by using real constant multiplications. A pipeline

Efficient FPGA implementation of high-throughput mixed radix multipath delay commutator FFT processor for MIMO-OFDM
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This article presents and evaluates pipelined architecture designs for an improved high- frequency Fast Fourier Transform ( FFT ) processor implemented on Field Programmable Gate Arrays (FPGA) for Multiple Input Multiple Output Orthogonal Frequency Division

FPGA Implementation of a Novel Efficient Vedic FFT /IFFT Processor For OFDM
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Several new generation wideband data communication systems nowadays, have adopted Orthogonal Frequency division Multiplexing technique. FFT /IFFT is one of the main kernel in the OFDM system, therefore, special attention needs to be given to optimize the FFT block

Design FFT processor based on FPGA
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In this paper, the design of decimation in time Radix-2 FFT processor is presented, which is integrated in FPGA chip, regarding FPGA as design carrier. New butterfly-shaped operation method is proposed based on the traditional FFT algorithm and the analysis of hardware

Design Radix-4 64-Point Pipeline FFT /IFFT Processor for Wireless Application
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4G and other wireless systems are currently hot topics of research and development in the communication field. Broadband wireless systems based on orthogonal frequency division multiplexing (OFDM) often require an inverse fast Fourier transform (IFFT) to produce

Design and implementation of FFT processor using Vedic multiplier with high throughput
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In present scenario every process should be rapid, efficient and simple. Fast Fourier transform ( FFT ) is an efficient algorithm to compute the N point DFT. It has great applications in communication, signal and image processing and instrumentation. But the

Design of a radix-8/4/2 FFT processor for OFDM systems
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The FFT processor is a very important component in Orthogonal Frequency Division Multiplexing (OFDM) communication system. In this paper, we propose an efficient variable- length radix-8/4/2 FFT architecture for OFDM systems. The FFT processor is based on radix

Distributed arithmetic based butterfly element for FFT processor in 45 nm technology
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ABSTRACT Fast Fourier Transform ( FFT ) is one of the important signal processing algorithms because of its applications in digital filtering, communication, image processing, spectral analysis and estimation etc. Butterfly computation is the basic operation in the FFT

High-Speed Four-Parallel 64-Point Radix-2⁴ MDF FFT /IFFT Processor for MIMO-OFDM Systems
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This paper presents a design and implementation result of a high-speed, low-complexity four data-path 64-point radix-24 FFT /IFFT processor for high-throughput MIMO-OFDM wireless LAN system. The proposed FFT /IFFT processor can provide a higher throughput



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