نتایج جستجو برای: sinc functions

تعداد نتایج: 491969  

Journal: :Arab Journal of Mathematical Sciences 2021

Purpose The authors propose a rather elementary method to compute family of integrals on the half line, involving positive powers sin x and negative , depending integer parameters n≥q≥1 . Design/methodology/approach Combinatorics, sine cosine integral f...

Journal: :Journal of experimental psychology. General 2005
Evan Heit Brett K Hayes

V. M. Sloutsky and A. V. Fisher reported 5 experiments documenting relations among categorization, induction, recognition, and similarity in children as well as adults and proposed a new model of induction, SINC (similarity, induction, categorization). Those authors concluded that induction depends on perceptual similarity rather than conceptual knowledge. Despite the useful contributions of th...

Journal: :Magnetic resonance in medicine 1999
R Tong R W Cox

A quick and accurate way to rotate and shift nuclear magnetic resonance (NMR) images using the two-dimensional chirp-z transform is presented. When the desired image grid is rotated and shifted from the original grid due to patient motion, the chirp-z transform can reconstruct NMR images directly onto the ultimate grid instead of reconstructing onto the original grid and then applying interpola...

Journal: :J. Computational Applied Mathematics 2014
Lixing Han Jianhong Xu

In this paper, we prove a conjecture, which was proposed by Frank Stenger in 1997, concerning the localization of eigenvalues of the Sinc matrix I(−1), a problem that is important in both the theory and the practice of Sinc methods. In 2003, Iyad Abu-Jeib and Thomas Shores established a partial answer to this unsolved problem. The techniques they have developed, however, turn out to be the key ...

2012
Pradeep Kotte Prakasam Sebastian Hoyos

Joint synchronization and calibration of multi-channel transform-domain charge sampling receivers (May 2009) Pradeep Kotte Prakasam Chair of Advisory Committee: Sebastian Hoyos Transform-domain (TD) sampling is seen as a potential candidate for wideband and ultra-wideband high-performance receivers and is investigated in detail in this research. TD receivers expand the signal over a set of basi...

Journal: :The American Mathematical Monthly 2010
David Borwein Jonathan M. Borwein Isaac E. Leonard

 sinx x if x 6= 0 1 otherwise This function is important in many areas of computing science, approximation theory, and numerical analysis. For example, it is used in interpolation and approximation of functions, approximate evaluation of transforms (e.g. Hilbert, Fourier, Laplace, Hankel, and Mellon transforms as well as the fast Fourier transform). It is used in finding approximate solutions ...

Journal: :The Journal of general virology 1992
H Fraser M E Bruce A Chree I McConnell G A Wells

Transmission from four cases of bovine spongiform encephalopathy (BSE) to mice resulted in neurological disease in 100% of recipient animals, after incubation periods of between 265 and 700 days post-injection. The results from the four cases were very similar to one another. There were major differences in the incubation period between the four inbred strains of mice tested, and even between s...

Journal: :IEICE Transactions 2012
Akira Hirabayashi

We address a problem of sampling and reconstructing periodic piecewise polynomials based on the theory for signals with a finite rate of innovation (FRI signals) from samples acquired by a sinc kernel. This problem was discussed in a previous paper. There was, however, an error in a condition about the sinc kernel. Further, even though the signal is represented by parameters, these explicit val...

2011
Emmanuel Jacques Laurent Pichon Olivier Debieu Fabrice Gourbilleau

We examined and compared the electrical properties of silica (SiO2) and silicon oxynitride (SiOxNy) layers embedding silicon nanoclusters (Sinc) integrated in metal-insulator-semiconductor (MIS) devices. The technique used for the deposition of such layers is the reactive magnetron sputtering of a pure SiO2 target under a mixture of hydrogen/argon plasma in which nitrogen is incorporated in the...

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