Results 201 to 210 of about 470,894 (260)

Interpreting the Trispectrum as the Cross-Spectrum of the Wigner-Ville Distribution. [PDF]

IEEE Signal Process Lett
Kovach CK, Gliske SV, Radcliffe EM, Shipley S, Thompson JA, Abosch A.   +5 more
europepmc   +1 more source

SHI: a framework for spatial harmonic imaging. [PDF]

Sci Rep
Diaz JLB, Korvink JG, Kunka D.
europepmc   +1 more source

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Two-dimensional Fourier transform electronic spectroscopy

The Journal of Chemical Physics, 2001
Two-dimensional Fourier transform electronic spectra of the cyanine dye IR144 in methanol are used to explore new aspects of optical 2D spectroscopy on a femtosecond timescale. The experiments reported here are pulse sequence and coherence pathway analogs of the two-dimensional magnetic resonance techniques known as COSY (correlated spectroscopy) and ...
John D. Hybl, Allison Albrecht Ferro, David M. Jonas   +2 more
openaire   +3 more sources

Two-Dimensional Fourier Transform

2021
In this chapter, we present elements for calculating and plotting discrete two-dimensional Fourier transforms. Figure 17-1 provides two screenshots from an Android cell phone. The one on the left shows a rectangular, two-dimensional spatial-function. The right screenshot shows the corresponding discrete Fourier transform obtained using this program.
Moisés Cywiak, David Cywiak
openaire   +1 more source

Two-dimensional Fourier transform rheology

Journal of Rheology, 2001
A two-dimensional Fourier transformation (FT) rheology experiment is presented that separates the relaxation dynamics of different contributions to the stress relaxation, here specifically for entangled polymers. This experiment has the overall form of discrete large amplitude oscillations and consists of multiple step shear experiments.
van Dusschoten, D., Wilhelm, M., Spiess, H.   +2 more
openaire   +2 more sources

The Two-Dimensional Clifford-Fourier Transform

Journal of Mathematical Imaging and Vision, 2006
As well known the classical uni-dimensional Fourier transform is a very powerful tool which is very useful in Analysis as well as in many other areas of mathematics. It is also used in many practical applications like information storage procedures, for instance.
Brackx, Fred, De Schepper, Nele, Sommen, Frank   +2 more
openaire   +1 more source

Stereoscopic Two-Dimensional Fourier Transform

2021
In this chapter, we present elements for calculating and plotting stereoscopic two-dimensional Fourier transforms. Figure 18-1 provides two screenshots from an Android cell phone. On the left is a two-dimensional spatial function, and on the right is a corresponding Fourier transform obtained with the program.
Moisés Cywiak, David Cywiak
openaire   +1 more source