[PDF] Top 20 Parallel algorithm based on Fast Fourier transforms

Parallel algorithm based on Fast Fourier transforms

... of Fourier transform is about one hundred years, we know that the frequency-domain analysis is often better than the time-domain ...a fast and effective algorithm to reduce calculation times of ... See full document

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Fast-responding measurements of power system harmonics using discrete and fast fourier transforms with low spectral leakage

... fundamental period. In this case, the simplest solution is to write an Embedded MATLAB script which carries out the task. This continuously updates a rolling buffer of 2 n samples, bringing in one or more new ... See full document

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Comparisons of the execution times and memory requirements for high-speed discrete fourier transforms and fast fourier transforms, for the measurement of AC power harmonics

... Fig. 10 shows the resulting execution times, which are also broken down for the FFT algorithm to show the times required for the actual FFT operation, and the cartesian to polar analysis. The re-sampling takes ... See full document

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High Speed Area Efficient Radix-3 and Radix-4 Fast Fourier Transforms

... A fast Fourier transform (FFT) is any fast algorithm for computing the ...(DIT) fast Fourier transform (FFT) very often has advantage over the decimation-in-frequency (DIF) FFT ... See full document

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Online Full Text

... efficient algorithm. The main goal of this paper is to implement an efficient Fast Fourier Transform (FFT) algorithm used in Radar Signal Processing which is mapped on Ambric ...Massively ... See full document

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Simulation Analysis of Multiple BP Decoding Algorithm and FFT BP Decoding Algorithm

... decoding algorithm is based on the traditional BP decoding algorithm, and the fast Fourier transform algorithm is used to replace the convolu- tion operation in the variable node ... See full document

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Floating Interpolation Stencil Topology-Based Ie-FFT Algorithm

... many fast integral equation solvers have been developed to expedite the iterative solution of integral equation, such as conjugate gradient fast Fourier transform (CG-FFT) [3], multilevel fast ... See full document

15

Fractal Fourier Transforms Based Image Authentication

... discrete Fourier transform (DFT) play an important ...the fast Fourier transform (FFT) ...approach based on recursive algorithms. His proposed algorithm has some limitation with the ... See full document

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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 ...The parallel execution section represents the remaining log ( ) 2 p ... See full document

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FPGA Implementation of Ultra-High Speed and Configurable Architecture of Direct/Inverse Discrete Wavelet Packet Transform Using Shared Parallel FIR Filters

... configurable parallel hardware architectures for the Direct/Inverse Wavelet Packet Transform (DWPT/IDWPT) independent of any specific family of wavelets, implemented in FPGA technology using a parallel ... See full document

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Bagged Decision Trees Based Scheme of Microgrid Protection Using Windowed Fast Fourier and Wavelet Transforms

... tree based data-mining models are employed in [15] and ...discrete Fourier transform to preprocess the faulted current and voltage signals while [15] used Wavelet transform for the same ...(HSBP) ... See full document

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A Pattern Synthesis Method for Large Planar Antenna Array

... iterative fast Fourier transforms (IFT) is used to generate a number of initial array excitations based on aim ...excitations based on initial ... See full document

10

Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms

... the fast Fourier transform ...for transforms of small, fixed sizes such as the 8 × 8 DCT used in JPEG compression, or the small DCTs (or MDCTs) typi- cally used in audio ...other transforms ... See full document

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Review on Radix-2 DIT Fast Fourier Transforms using Different Input Sequence

... The objective of DSP is for the most part to quantify, channel and/or pack nonstop genuine simple signs. The initial step is for the most part to change over the sign from a simple to an advanced structure, by inspecting ... See full document

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Enhancement of Retinex Algorithm using Fast Fourier Transform

... corresponding based function and summing the ...of Fourier coefficients are too large to display on the screen, hence these values has to be scaled to bring them within the range of the values that can be ... See full document

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Fast fourier transforms and the Fujitsu VPP300

... Some of the most significant original contributions presented in this work are: • a unified treatment of the Prime Factor Algorithm and the Cooley-Tukey FFI Algorithm sections 1.3, 1.4 ;[r] ... See full document

126

Fast Fourier Transforms

... In addition, there are many other techniques that FFTW employs to supplement the basic recursive strategy, mainly to address the fact that cache implementations strongly favor ac- cessing consecutive datathanks to cache ... See full document

254

Sublinear Time Numerical Linear Algebra for Structured Matrices

... the fast multiplication algorithm based on the Fast Fourier Transform associated with Vandermonde matrices to reduce the computation of SA to a small number of disjoint matrix-vector ... See full document

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Review paper on Radix-2 DIT Fast Fourier Transforms using different Multiplier

... (CFMR) fast Fourier transform (FFT) processor that uses the MR (radix-4/2) algorithm and a novel in-place ...MR algorithm, which allows CF FFT computations regardless of the length of ...MR ... See full document

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A Comparative Study of Iterative Thinning Algorithms for BMP Images

... Iterative parallel thinning algorithms which generate one-pixel-wide skeletons generally have difficulty in preserving the connectivity of an ...iterative parallel thinning algorithms namely the Fast ... See full document

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