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Z DIMENSION [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2012-09-11

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
02.01.10 (19762)
ISO/IEC standard entry number
DEF

specified width of the narrow elements in a bar code symbol or the specified width of a single element in a two-dimensional symbol

OBS

cf. Z dimension(02. 01. 12)

OBS

X dimension: term and definition standardized by ISO/IEC [ISO/IEC 19762-2:2008].

French

Spanish

Save record 1

Record 2 - external organization data 2009-08-04

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
02.01.12 (19762)
ISO/IEC standard entry number
DEF

average achieved width of the narrow elements in a bar code symbol, equal to half the sum of the average narrow bar width and the average narrow space width in two-width symbologies, or to the quotient of the average overall character width divided by the number of modules per character in modular symbologies

OBS

Z dimension : term and definition standardized by ISO/IEC [ISO/IEC 19762-2 : 2008].

French

Spanish

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Record 3 2007-01-31

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Spacecraft
  • Remote Sensing
CONT

It is generally found that natural objects possess self-similarity and self-affinity in their structures. Fractal analysis, a technique based on these properties, has been widely used in various research applications. In the active remote sensing of the earth terrain, it is possible to extract this fractal information from the images obtained. In this application, fractal surface dimension, an important parameter in fractal analysis, can be employed as an additional feature to classify different landuse areas. This fractal surface dimension is generally related to the roughness of the surface. By keeping the x and y coordinates of the pixels of the image, and taking the grey level of each pixel as its z coordinate, a three-dimensional surface can be constructed. The calculation of fractal surface dimension can then be carried out on that surface.

OBS

fractal analysis: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Engins spatiaux
  • Télédétection
CONT

L'analyse fractale repose sur l'étude des fluctuations locales des pixels pour la recherche de la répétition d'un motif lorsqu'on observe l'image à différentes résolutions. Ce codage met en valeur les fluctuations dans les deux directions privilégiées correspondant aux deux directions physiques du radar (distance et azimut).

CONT

L'apparition des images à très haute résolution spatiale en télédétection a substantiellement compliqué l'analyse automatique des images optiques. La difficulté de l'analyse fractale [Kaplan, 1999], etc. ne semble pas pouvoir s'adapter à toutes les formes de textures. La grande variation locale des niveaux de gris des objets présents dans les images optiques à très haute résolution spatiale, rend obsolètes les méthodes d'analyse précédemment citées. Dans [Pentland, 1984], il est montré que la dimension fractale peut être utilisée pour caractériser des scènes naturelles; toutefois, ce type d'analyse n'est plus efficace lorsque l'image à étudier est très irrégulière. Pour analyser des signaux possédant une régularité variant fortement d'un point à un autre, il est préférable d'utiliser l'analyse multifractale. Nous proposons un nouvelle approche à la segmentation d'images de télédétection basée sur l'analyse des composants fractals de l'image. Elle ne nécessite aucune connaissance a priori sur l'image, et étudie la régularité locale et globale par le biais de l'exposant de Hölder et du spectre multifractal. Les singularités et les irrégularités d'un signal sont souvent porteuses de la plus grande part d'information.

OBS

analyse fractale : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Naves espaciales
  • Teledetección
CONT

Ya están desarrollados los nuevos métodos de procesamiento y transmisión de la imagen, tales como el análisis fractal, la transformación de pequeñas ondas, la codificación orientada a objetos,...

Save record 3

Record 4 2001-05-18

English

Subject field(s)
  • Printed Circuits and Microelectronics
  • Industrial Techniques and Processes
CONT

Masks for printed or microcircuitry work can be prepared by simple techniques such as knife cutting, or by means of sophisticated systems. For both printed and integrated-circuit work, the original circuit layout is the starting point. Then, means for generating the pattern, reproduction, and mask making must be devised. Photomask making for integrated circuit production required far more precision, accuracy, and resolution than does the printed circuit manufacturing process. Whereas printed circuits require careful design and production attention in X and Y dimensions, IC production introduces the third dimension, Z. ICs consist of several layers which must register one with the other to a precision of better than 10 um(250 nm). To provide geometries of the order of one or two microns, very-high-resolution optics are necessary. Because integrated circuits are very susceptible to defects, the ultimate in cleanliness and temperature control is required.

Key term(s)
  • mask making

French

Domaine(s)
  • Circuits imprimés et micro-électronique
  • Techniques industrielles

Spanish

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Record 5 1994-09-19

English

Subject field(s)
  • Computer Mathematics
  • Simulation (Cybernetic Systems)
DEF

Respectively, horizontal, vertical and third direction coordinates reference system for use with two dimension(X, Y) and three dimensional(X, Y, Z) drafting and modeling.

French

Domaine(s)
  • Mathématiques informatiques
  • Simulation (Systèmes cybernétiques)

Spanish

Save record 5

Record 6 1992-06-03

English

Subject field(s)
  • Construction Site Equipment
  • Earthmoving
DEF

Dimension obtained by measuring the distance on the "Z" coordinate from the lower edge of the cutting edge to the top edge of the blade, measured at blade mid-length.

OBS

Graders terminology.

OBS

Term and definition standardized by ISO.

French

Domaine(s)
  • Matériel de chantier
  • Terrassement
DEF

Dimension obtenue en mesurant la distance, sur l'axe de coordonnée "Z", entre l'arête inférieure du bord de coupe et l'arête supérieure du versoir, et ce au milieu de la longueur de la lame.

OBS

Terminologie des niveleuses.

OBS

Terme et définition normalisés par l'ISO.

Spanish

Save record 6

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