TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

FRACTAL NOISE [4 records]

Record 1 2017-04-07

English

Subject field(s)
  • Computer Mathematics
DEF

Pertaining to a geometrical shape whose structure is such, that magnification of the detail by a given factor reproduces the original object.

PHR

fractal algorithm, fractal art, fractal attractor, fractal boundary, fractal cove, fractal city, fractal concept, fractal curve, fractal definition, fractal dimension, fractal domain, fractal fern, fractal geometry, fractal goose, fractal graphics, fractal growth, fractal heaven, fractal hell, fractal hexagon, fractal image, fractal Julia set, fractal Koch flake, fractal landscape, fractal lattice measure, fractal modeling, fractal monster, fractal motion, fractal noise, fractal number, fractal object, fractal paradox, fractal pattern, fractal self-similarity, fractal stable, fractal structure, fractal surface, fractal time, fractal tree, fractal vision.

French

Domaine(s)
  • Mathématiques informatiques
DEF

Relatif aux structures et aux systèmes dynamiques dont les éléments présentent une certaine similarité à l'ensemble quelle que soit l'échelle de l'examen.

OBS

S'applique aux changements spatio-temporels tels le bruit électronique dans les semi-conducteurs, les fluctuations de voltage dans les membranes neurales, les crues périodiques des eaux, les variations des indices économiques et du trafic routier, les battements du cœur, etc. Selon B. Mandelbrot, créateur du terme en 1975, le concept n'a pas encore de définition mathématique généralement acceptée. Le terme est dérivé du latin «fractus» qui signifie «fragmenté», «irrégulier». Le masculin pluriel est «fractals», le féminin pluriel, fractales».

PHR

aérogel fractal, agrégat fractal, aire fractale, algorithme fractal, analyse fractale, arbre fractal, art fractal, attracteur fractal, autosimilarité fractale, bruit fractal, chaos fractal, codimension fractale, compression d'images fractale, courbe fractale, continent fractal, côte fractale, croissance fractale, débit fractal, densité fractale, diffraction fractale, dimension fractale, distribution fractale, échelle fractale, ensemble fractal, éponge fractale, équation fractale, espace-temps fractal, fonction fractale, figure fractale, flèche du temps fractale, fonction d'interpolation fractale, forme fractale, fromage fractal, front de diffusion fractal, frontière fractale, générateur fractal, génération fractale, géométrie fractale, groupe fractal, hasard fractal, île fractale, image fractale, imagerie fractale, infographie fractale, interface fractale, intermittence du bruit fractale, lac fractal, langage fractal, ligne fractale, masse fractale, mesure fractale, modèle fractal, modélisation fractale, monstre fractal, montagne fractale, motif fractal, musique fractale, nature de la turbulence fractale, nombre fractal, objet fractal, ordinateur fractal, ordre fractal, pavage fractal, paysage fractal, périmètre fractal, plaque fractale, profil fractal, reconnaissance d'image fractale, rythme fractal, segmentation fractale, structure fractale, surface fractale, synthèse fractale, système fractal, tambour fractal, temps fractal, texture fractale, théorie fractale, tortuosité fractale, trajectoire fractale, transformation fractale, transformée fractale, vidéocompression fractale, vision fractale, zone fractale.

Spanish

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Record 2 2002-11-05

English

Subject field(s)
  • Computer Graphics
  • Mathematics
DEF

A method for solving the Laplace equation without using an underlying lattice. Applied in simulation techniques involving aggregation of particles and fractal pattern formation. The interfacial pattern is approximated as a piecewise linear with uniform monopole sources. A given interface uniquely determines the source distribution which, in turn, uniquely determines the velocity distribution along the interface. Based on Green’s function, an integro-differential equation, and on the Dirac delta function.

CONT

Investigations based on the boundary integral method demonstrate that noise is not a necessary ingredient of an algorithm producing DLA-type patterns since they can be grown using deterministic equations. This result is supported by multifractal analysis. The fractal dimension of off-lattice DLA clusters in the asymptotic limit may be approximately equal to 1. 65.

French

Domaine(s)
  • Infographie
  • Mathématiques

Spanish

Save record 2

Record 3 1995-10-16

English

Subject field(s)
  • Computer Graphics
  • Mathematics
CONT

Asymptotic shape of DLA clusters ... the present consensus is that the asymptotic diffusion-limited aggregates are not likely to have more than five main arms in two dimensions.

CONT

The simulations suggest than in the presence of noise... the asymptotic shape of Laplacian patterns growing out from a centre has a fractal structure presumably analogous to that of DLA.

OBS

asymptotic curve: a curve on a surface whose osculating plane at each point is the same as the tangent plane to the surface.

French

Domaine(s)
  • Infographie
  • Mathématiques
OBS

Ligne asymptotique, droite asymptote : droite dont la distance aux points d'une courbe tend vers zéro lorsque le point s'éloigne sur la courbe à l'infini.

OBS

Voir bassin attracteur, point attracteur.

Spanish

Save record 3

Record 4 1989-04-20

English

Subject field(s)
  • Artificial Intelligence

French

Domaine(s)
  • Intelligence artificielle

Spanish

Save record 4

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