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Twiddle factor
A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in…Â
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Related topics
Related topics
9 relations
Butterfly diagram
Cooley–Tukey FFT algorithm
Discrete Fourier transform
Fast Fourier transform
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Twiddle factor
Recursion
Fast Fourier transform
Discrete Fourier transform
Root of unity
Multiplication algorithm
Papers overview
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2015
2015
Twiddle factor generation using CORDIC processor for fingerprint application
Suraj N. Shinde
2015 International Conference on Computer…
2015
Fingerprint applications are widely used to identify person's authenticity. The frequency domain analysis of fingerprint plays an…Â
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2010
2010
4k-point FFT algorithms based on optimized twiddle factor multiplication for FPGAs
Fahad Qureshi
,
Syed Asad Alam
,
Oscar Gustafsson
2010 Asia Pacific Conference on Postgraduate…
2010
In this paper, we propose higher point FFT (fast Fourier transform) algorithms for a single delay feedback pipelined FFT…Â
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2010
2010
Improved Twiddle Access for Fast Fourier Transforms
Kevin J. Bowers
,
Ross Lippert
,
Ron O. Dror
,
David E. Shaw
IEEE Transactions on Signal Processing
2010
Optimizing the number of arithmetic operations required in fast Fourier transform (FFT) algorithms has been the focus of…Â
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2010
2010
Twiddle factor memory switching activity analysis of radix-2<sup>2</sup> and equivalent FFT algorithms
Fahad Qureshi
,
Oscar Gustafsson
Proceedings of 2010 IEEE International Symposium…
2010
In this paper, we propose equivalent radix-2<sup>2</sup> algorithms and evaluate them based on twiddle factor switching activity…Â
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2010
2010
Twiddle factor memory switching activity analysis of radix-22 and equivalent FFT algorithms
Fahad Qureshi
,
Oscar Gustafsson
ISCAS
2010
In this paper, we propose equivalent radix-2 algorithms and evaluate them based on twiddle factor switching activity for a single…Â
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2009
2009
Analysis of twiddle factor memory complexity of radix-2<sup>i</sup> pipelined FFTs
Fahad Qureshi
,
Oscar Gustafsson
2009 Conference Record of the Forty-Third…
2009
In this work, we analyze different approaches to store the coefficient twiddle factors for different stages of pipelined Fast…Â
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2007
2007
Low-Power Twiddle Factor Unit for FFT Computation
Teemu Pitkänen
,
Tero Partanen
,
Jarmo Takala
SAMOS
2007
An integral part of FFT computation are the twiddle factors, which, in software implementations, are typically stored into RAM…Â
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2007
2007
Twiddle factor transformation for pipelined FFT processing
In-Cheol Park
,
WonHee Son
,
Ji-Hoon Kim
2007 25th International Conference on Computer…
2007
This paper presents a novel transformation technique that can derive various fast Fourier transform (FFT) in a unified paradigm…Â
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2007
2007
Long-Point FFT Processing Based on Twiddle Factor Table Reduction
Ji-Hoon Kim
,
In-Cheol Park
IEICE Transactions
2007
In this paper, we present a new fast Fourier transform (FFT) algorithm to reduce the table size of twiddle factors required in…Â
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2004
2004
An efficient FFT twiddle factor generator
Jen-Chuan Chih
,
Sau-Gee Chen
2004 12th European Signal Processing Conference
2004
Twiddle factor (TF) generator is a key component in IFFT/FFT computation for current OFDM-based wireless and wireline…Â
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