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Twiddle factor

Known as: Twiddle 
A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in… Expand
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Related topics

Related topics

10 relations
Butterfly diagramCooley–Tukey FFT algorithmDiscrete Fourier transformFast Fourier transform
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2010
2010
Twiddle factor memory switching activity analysis of radix-22 and equivalent FFT algorithms
In this paper, we propose equivalent radix-22 algorithms and evaluate them based on twiddle factor switching activity for a… Expand
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2009
2009
An anomalous extra Z prime from intersecting branes with Drell–Yan and direct photons at the LHC
Abstract We quantify the impact of gauge anomalies at the Large Hadron Collider by studying the invariant mass distributions in… Expand
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2009
2009
Dynamic Model of Signal Fading due to Swaying Vegetation
In this contribution, we use fading measurements at 2.45, 5.25, 29, and 60 GHz, and wind speed data, to study the dynamic effects… Expand
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2009
2009
Analysis of twiddle factor memory complexity of radix-2i pipelined FFTs
In this work, we analyze different approaches to store the coefficient twiddle factors for different stages of pipelined Fast… Expand
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2007
2007
Approximation spaces in off-policy Monte Carlo learning
This paper introduces an approach to off-policy Monte Carlo (MC) learning guided by behaviour patterns gleaned from approximation… Expand
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2006
2006
Improved Opportunistic Beamforming in Ricean Channels
In order to improve the performance of opportunistic beamforming in Ricean channels, we propose an improved opportunistic… Expand
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Highly Cited
2005
Highly Cited
2005
The Design and Implementation of FFTW3
FFTW is an implementation of the discrete Fourier transform (DFT) that adapts to the hardware in order to maximize performance… Expand
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2004
2004
An efficient FFT twiddle factor generator
Twiddle factor (TF) generator is a key component in IFFT/FFT computation for current OFDM-based wireless and wireline… Expand
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2002
2002
Twiddle-factor-based FFT algorithm with reduced memory access
In microprocessor-based systems, memory access is expensive due to longer latency and higher power consumption. In this paper, we… Expand
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Highly Cited
1996
Highly Cited
1996
A new approach to pipeline FFT processor
A new VLSI architecture for a real-time pipeline FFT processor is proposed. A hardware-oriented radix-2/sup 2/ algorithm is… Expand
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