FFT algorithm
Floating Interpolation Stencil Topology-Based Ie-FFT Algorithm
... As well-known, a relative higher order interpolation technique and larger grid step are preferred for electrically large-scale problems, but it will result in large amount of near-interaction, especially for VIE, the ...
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Implementation of 16-Point Radix-4 FFT Algorithm
... any FFT algorithm can easily be adapted for it. An FFT computes the DFT and produces exactly the same result as evaluating the DFT definition directly; the only difference is that an FFT is ...
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Design and Implementation of CORDIC-based FFT Algorithm in FPGA System
... current FFT stage and the location of the butterfly in a stage, different twiddle factor angles can be generated in the simple and regular ...an FFT processor can be reduced by more than ...CORDIC ...
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Fault Detection In compressor Using FFT Algorithm
... Abstract—This paper proposes a study of compressor current signal analysis using Fast Fourier Transform (FFT) algorithm for fault detection of balance weights in the three- phase compressor. The ...
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A Novel OFDM using Radix 22 and FFT Algorithm
... points FFT and higher symbol ...speed FFT designs with large number of points. The FFT algorithm eliminates the redundant calculation which is needed in computing Discrete Fourier Transform ...
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FPGA Implementation of OFDM Transceiver using FFT Algorithm
... Abstract- Orthogonal Frequency Division Multiplexing (OFDM) is the most promising modulation technique. It has been adopted by most wireless and wired communication standards. The idea is to utilize a number of carriers, ...
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PERFORMANCE ANALYSIS OF TMS320C6713 AND 6745 DSPs USING TFBBGAR FFT ALGORITHM
... Butterfly grouping and reduction method is also applied to radix-2 DITFFT. The number of memory references due to twiddle factor will be greatly reduced same as that of radix-2 DIFFFT. However, because to the difference ...
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A Comparison of High-Speed Polynomial Multiplication Algorithms for Modern Cryptosystem
... ABSTRACT: In the present world, applications of digital communication have increased day by day. Hence more care should be taken with security issue of digital communication network such as online money transaction, data ...
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IMPLEMENTATION OF 64 POINT FFT USING RADIX 8 ALGORITHM
... representation. FFT is itself not a transformation but just a computational algorithm to evaluate Discrete Fourier Transform ...dedicated FFT processors. Pipelined FFT processor is a class of ...
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A TMS DSP processor based case study of Grigoryan FFT performance over Cooley-Tukey FFT (TMS320C6748, (TMS320C5515)
... DFT algorithm, there is no complete butterfly operation, as that in case of Cooley-Tukey ...Cooley-Tukey FFT algorithm. The addition part of the algorithm for 8-point transform is shown in Fig ...
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2D FFT without using 1D FFT A PREPRINT
... Abstract:- FFT for multi-dimensional input is usually obtained by applying FFT on each ...dimension. FFT algorithm has an asymptotic complexity of O (N log N ). 2D FFT is especially ...
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Implementation of Split Radix Algorithm for 12-Point FFT & IFFT
... (FFT) algorithm have been proposed for computing the Discrete Fourier transform of an arbitrary length N= qx2^m,where m is an odd ...proposed algorithm is, in most cases, the same as that of the ...
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A Novel Accelerating Algorithm and Its Implement in Real Sequence FFT
... of FFT, symmetry and periodicity, we proposed an improved accelerating FFT algorithm for real sequence ...The algorithm separates a 2-N point into two sequences by parity, then generates a new ...
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A Method for System Order Reduction based on Genetic Algorithm and FFT
... Complicate systems, are generally describe by a complicate, high order differential equation. Analysing or designing based on high order equations are cumbersome. Plenty of methods have been proposed to reduce the order ...
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An Accurate FFT Based Algorithm for Bermudan Barrier Option Pricing
... [2] R. Lord, F. Fang, F. Bervoets and C. W. Oosterlee, “A Fast and Accurate FFT-Based Method for Pricing Early-Exer- cise Options under Lévy Processes,” SIAM Journal on Sci- entific Computing, Vol. 30, No. 4, ...
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High-speed Polynomial Multiplication Architecture for Ring-LWE and SHE Cryptosystems
... Abstract—Polynomial multiplication is the basic and most computationally intensive operation in ring-Learning With Er- rors (ring-LWE) encryption and “Somewhat” Homomorphic Encryption (SHE) cryptosystems. In this paper, ...
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FFT Based ECG Analyzer Using Modified Booth Algorithm
... booth algorithm is used in fast fourier transform gives the high efficiency by reducing the number of slices and number of input LUT’s when compared with urdhva and nikilam sutras which comes under the vedic ...
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Adaptive primary user's signal detection algorithm based on matrix accumulation estimation for cognitive radio
... In order to ensure get the whole data of eight time- slots and better simulation result, the data with 8,192 points is adapted in the simulation. Meanwhile in order to reduce the computational complexity and raise the ...
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Research on An Improved PMF FFT Fast PN Code Acquisition Algorithm
... The associated gain of each FFT point is similar to sinc(x) function. At the crossover point, the associated gain out- put appears on the trough, presenting the phenomenon of the Scalloping Loss. Reference [4] ...
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Research on Monobit Frequency Measurement Algorithm with Split radix FFT
... 3 /4 . Therefore, we try to eliminate the multiplication from SRFFT by quantifying the two kinds of twiddle factors ( and ). Different from the traditional monobit algorithm which just have to quantify kernel ...
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