نتایج جستجو برای: spiral like function

تعداد نتایج: 1807564  

2012
Nikolaos Kroupis Minas Dasygenis Dimitrios Soudris Antonios Thanailakis

One of the most growing areas in the embedded community is multimedia devices. Multimedia devices incorporate a number of complicated functions for their operation, like motion estimation. A multitude of different implementations have been proposed to reduce motion estimation complexity, such as spiral search. We have studied the implementations of spiral search and identified areas of improvem...

2014
Suraj Kumar

In this paper we have tried to deduce the possible origin of particle and evolution of their intrinsic properties through spiral dynamics. We consider some of the observations which include exponential mass function of particles following a sequence when fitted on logarithmic potential spiral, inwardly rotating spiral dynamics in Reaction-Diffusion System, the separation of Electron’s Spin-Char...

2009
Nikolaos Kroupis Minas Dasygenis Dimitrios Soudris Antonios Thanailakis

One of the most growing areas in the embedded community is multimedia devices. Multimedia devices incorporate a number of complicated functions for their operation, like motion estimation. A multitude of different implementations have been proposed to reduce motion estimation complexity, such as spiral search. We have studied the implementations of spiral search and identified areas of improvem...

2001
P. Frick R. Beck

Different scaling and autocorrelation characteristics and their application to astronomical images are discussed: the structure function, the autocorrelation function, Fourier spectra and wavelet spectra. The choice of the mathematical tool is of great importance for the scaling analysis of images. The structure function, for example, cannot resolve scales which are close to the dominating larg...

Journal: :ماشین های کشاورزی 0
اشکان زارعی رحمان فرخی تیمورلو لیلا ندرلو سید محمد حسن کماریزاده اصل

introduction spiral conveyors effectively carry solid masses as free or partly free flow of materials. they create good throughput and they are the perfect solution to solve the problems of transport, due to their simple structure, high efficiency and low maintenance costs. this study aims to investigate the performance characteristics of conveyors as function of auger diameter, rotational spee...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
Roberto Barrio Fernando Blesa Sergio Serrano Andrey Shilnikov

We reveal and give a theoretical explanation for spiral-like structures of periodicity hubs in the biparameter space of a generic dissipative system. We show that organizing centers for "shrimp"-shaped connection regions in the spiral structure are due to the existence of Shilnikov homoclinics near a codimension-2 bifurcation of saddle-foci.

Journal: :British Journal of Music Education 2022

Abstract The notion of the spiral for progression and development is familiar both in general educational discourse domain music education. This brief article considers within context lower secondary school group composing England. Through use examples taken from two schools English midlands, it argues that formative assessment a key process enhancing spiral-like musical learning.

2011
Haris J. Catrakis

We consider mathematical aspects of the logarithmic spiral and its utility in turbulence modeling. We consider mathematically the set of point crossings resulting from a linear intersection through the center of a logarithmic spiral. We derive analytically the fractal dimension as a function of scale for this set of crossings. We also derive analytically the power spectrum of the thresholded fu...

2014
Tomokazu Numano Koji Hyodo Naotaka Nitta Junichi Hata Nobuaki Iwasaki Kazuhiro Homma

Purpose: Commonly used diffusion weighted (DW) imaging such as DW spin echo (SE) type echo planar imaging (DW-SE-EPI) is known to be a snapshot-like acquisition and to have a relatively high signal-to-noise ratio. Spiral MRI sequence (SPIRAL) has characteristics similar to these of EPI, but it has rarely been used for diffusion-weighted imaging (DWI). In vivo DW-SPIRAL of the rat brain has almo...

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