Butterfly diagram

Known as: Butterfly (FFT algorithm), Butterfly (disambiguation) 
Most commonly, the term "butterfly" appears in the context of the Cooley–Tukey FFT algorithm, which recursively breaks down a DFT of composite size n… (More)
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Papers overview

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2018
2018
Using neural networks as a prediction method, we attempt to demonstrate that forecasting of the Sun’s sunspot time series can be… (More)
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2010
2010
Rapid biodiversity assessment (RBA) is proposed as an affordable indicator for monitoring local species richness of arthropods… (More)
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2009
2009
Aims. Sunspot distribution in the northern and southern solar hemispheres exibit striking synchronous behaviour on the scale of a… (More)
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2009
2009
Digitized images of the drawings by J.C. Staudacher were used to determine sunspot positions for the period of 1749–1796. From… (More)
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Highly Cited
2008
Highly Cited
2008
We describe a new method for unsupervised structure learning of a hierarchical compositional model (HCM) for deformable objects… (More)
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2006
2006
Co-words have been considered as carriers of meaning across different domains in studies of science, technology, and society… (More)
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Highly Cited
2005
Highly Cited
2005
The paper proposes a new continuous-flow mixed-radix (CFMR) fast Fourier transform (FFT) processor that uses the MR (radix-4/2… (More)
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Highly Cited
2004
Highly Cited
2004
This paper proposes a new approach for finding expressive and geometrically invariant parts for modeling 3D objects. The approach… (More)
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2000
2000
An improved X-ray diffraction rotating orientation measurement method is proposed that can measure the crystal lattice… (More)
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