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Fast Fourier Transform

Implementation of Fast Fourier Transform
Accelerator on Coarse Grain Reconfigurable
Architecture

Implementation of Fast Fourier Transform Accelerator on Coarse Grain Reconfigurable Architecture

... In this paper, we have presented the design of a large scale template based Coarse Grain Reconfigurable Array on which various algorithm can be mapped. An 8 point Fast Fourier Transform kernels were ...

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Comparison of fast Fourier transform and convolution in wavelength scanning interferometry

Comparison of fast Fourier transform and convolution in wavelength scanning interferometry

... The assessment of surface finish has become increasingly important in the field of precision engineering. Optical interferometry has been widely used for surface measurement due to the advantages of non-contact and high ...

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Valuation of European Call Options via the Fast Fourier Transform and the  Improved Mellin Transform

Valuation of European Call Options via the Fast Fourier Transform and the Improved Mellin Transform

... a fast Fourier method to compute option prices for a whole range of ...the fast Fourier transform method is motivated by the following reasons: the algorithm has speed ad- ...the ...

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OCTAD S: digital fast Fourier transform spectrometers by FPGA

OCTAD S: digital fast Fourier transform spectrometers by FPGA

... then Fourier transformed (Belgacem et al. 2004). Recently, fast Fourier transform (FFT)-type spectrometers have become more ...first fast Fourier transformed, and then, it is ...

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Study Of Hopfield Neural Network For Fingerprint Verification Based On Fast Fourier Transform

Study Of Hopfield Neural Network For Fingerprint Verification Based On Fast Fourier Transform

... exponentials. Fast Fourier Transform (FFT) is a Fourier transform whose inputs and outputs are discrete samples means the input image of spatial domain is transform to frequency ...

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MR Butterfly—A fast Fourier Transform Algorithm Based on MapReduce

MR Butterfly—A fast Fourier Transform Algorithm Based on MapReduce

... N-point Fast Fourier Transform. The Fast Fourier Transform of the N/p partial data is executed in each execution ...N-point Fast Fourier ...

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Fast Fourier Transform-based steganalysis of covert communications over streaming media

Fast Fourier Transform-based steganalysis of covert communications over streaming media

... Steganalysis is a technology used to detect whether steganography has used to hide secret data in cover objects. The purpose of steganalysis is to identify disguised cover objects containing secret data from ordinary ...

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Design and Implementation of Fast Fourier Transform Algorithm in FPGA

Design and Implementation of Fast Fourier Transform Algorithm in FPGA

... discrete Fourier transform (DFT) into four N/4-point DFTs, then into 16 N/16- point DFTs, and so ...DIF fast Fourier transform (FFT) expresses the DFT equation as four summations, and ...

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A Shared Multiplier for Effectual Area of 1024 Point Fast Fourier Transform Processor

A Shared Multiplier for Effectual Area of 1024 Point Fast Fourier Transform Processor

... Point Fast Fourier Transform ...different Fast Fourier Transform sizes (2, 4,8,16,3,64,128,256 and 512) of length, So that the hardware complexity ...inverse Fast ...

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An Integrated Skew Detection And Correction Using Fast Fourier Transform And DCT

An Integrated Skew Detection And Correction Using Fast Fourier Transform And DCT

... When the image was converted from its Spatial Domain f(x, y) to its frequency domain f(u, v), then by using Fast Fourier Transform technique it is easy to process the image and its further ...

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Parameterized Spectral Bathymetric Roughness Using the Nonequispaced Fast Fourier Transform

Parameterized Spectral Bathymetric Roughness Using the Nonequispaced Fast Fourier Transform

... nonequispaced fast Fourier transform (Kunis, 2006) is exploited as the statistic to provide several parameters of roughness following the method of Fox ...

190

Image Contrast Enhancement Using Fast Discrete Curvelet Transform via Unequally Spaced Fast Fourier Transform (FDCT-USFFT)

Image Contrast Enhancement Using Fast Discrete Curvelet Transform via Unequally Spaced Fast Fourier Transform (FDCT-USFFT)

... on Fast Discrete Curvelet Transform via Unequally Spaced Fast Fourier Transform ...wavelet transform based contrast enhancement ...

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Optimal Synthesis of Thinned Arrays Utilizing Fast Fourier Transform Technique

Optimal Synthesis of Thinned Arrays Utilizing Fast Fourier Transform Technique

... The concept of the thinning linear array [10] is to reduce the Peak Side lobe Level (PSL) by a method of iterative forward and backward Fourier transform. A relationship is observed between the element ...

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CMOS Implementation of Low Power High Performance Fast Fourier Transform

CMOS Implementation of Low Power High Performance Fast Fourier Transform

... a fast algorithm has been made known by Cooley- Turkey, namely Fast Fourier Transform (FFT) by decreasing the number of computing ...for fast computation of the Discrete Fourier ...

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Calculation of the time averaged optical transfer function by the fast Fourier transform

Calculation of the time averaged optical transfer function by the fast Fourier transform

... coefficients, In its minutes If Wkg subsequent beginning function pupil fast Fourier transform in function increased, sizes in 0TF2D is algorithm used of aberration set large a process a[r] ...

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Improved Image Watermarking using Fast Fourier Transform and Arnold Transform based SVD Technique

Improved Image Watermarking using Fast Fourier Transform and Arnold Transform based SVD Technique

... Image watermarking is becoming popular method in digital image control because it has capability to secure the images by injecting watermarks in them. A new watermarking technique on the basis of the wavelet domain in ...

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Voltage disturbance identification using fast fourier transform (FFT) and wavelet transform

Voltage disturbance identification using fast fourier transform (FFT) and wavelet transform

... This project presents the identification of voltage disturbance based on mathematical method of Wavelet Transform and Fast Fourier Transform (FFT). A simple program is developed based on these ...

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Introduction to Fast Fourier Transform in Finance

Introduction to Fast Fourier Transform in Finance

... the fast Fourier transform (FFT), will only require Kn ln n operations 2 , but one still has to choose n carefully because the constant K can be very large for some choices of ...the transform ...

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Fast Fourier Transform of Multi Assets Options under Economic Recession Induced Uncertainties

Fast Fourier Transform of Multi Assets Options under Economic Recession Induced Uncertainties

... sources. Fast Fourier Transform algo- rithm is used in our ...on Fourier trans- form of some options valuation such as ([6] [7] [8] [9]) among ...[6] Fast Fourier ...

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VLSI Implementation of Pipelined Fast Fourier Transform

VLSI Implementation of Pipelined Fast Fourier Transform

... multiplicationcomputation utilization being less than 50%, as well as its control unit being easy to design. Such implementations are advantageous to low- power design, especially for applications in portable DSP ...

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