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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… 
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Related topics

Related topics

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

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2018
2018
Variable length mixed radix MDC FFT/IFFT processor for MIMO-OFDM application
This study presents a variable length multi-path delay commutator fast Fourier transform (FFT)/inverse FFT (IFFT) architecture… 
2014
2014
Efficient VLSI implementation of FFT for orthogonal frequency division multiplexing applications
In an orthogonal frequency division multiplexing (OFDM)-based digital transmitter, the inverse fast Fourier transform (IFFT… 
Review
2013
Review
2013
Reconfigurable FFT Processor - A Broader Perspective Survey
The FFT(Fast Fourier Transform) processing is one of the key procedure in the popular orthogonal frequency division multiplexing… 
2012
2012
A low power ASIP for precision configurable FFT processing
Fast Fourier transformation (FFT) is a key operation in digital communication systems. Different communication standards require… 
2011
2011
On the Fixed-Point Accuracy Analysis and Optimization of FFT Units with CORDIC Multipliers
Fixed-point Fast Fourier Transform (FFT) units are widely used in digital communication systems. The twiddle multipliers required… 
2007
2007
Low-Power Twiddle Factor Unit for FFT Computation
An integral part of FFT computation are the twiddle factors, which, in software implementations, are typically stored into RAM… 
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… 
2005
2005
A 2GHz 13.6mW 12 /spl times/ 9b multiplier for energy efficient FFT accelerators
Two's complement multipliers are performance and power-critical components for wireless baseband signal processing applications… 
1998
1998
Fast generalized DFT and DHT algorithms
1997
1997
Sounds in Hands: A Sound Modifier Using Datagloves and Twiddle Interface
Although various ways of sound production have been actively studied and reported so far, the development of human-machine… 
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