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Z-AXIS [18 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-01-04

English

Subject field(s)
  • Optics
  • The Skin
CONT

Confocal microscopy. Unlike "normal" microscopy, only a spot of a minimum size in the specimen is illuminated in confocal microscopy. To enable an image to be formed from this, the specimen must be scanned. The image of the spot is directed through a pinhole stop in an intermediate image plane. As a result, only light from the focal plane can reach the detector(a photomultiplier). All other(out-of-focus) planes are blocked out. This results in an "optical section". The images are stored electronically and displayed on a monitor. A series of optical sections can be recorded by moving a motor a slight distance along the z-axis each time an image has been recorded, after which the next image is then also recorded. Such a z-series permits the electronic reconstruction of the three-dimensional structure using suitable computer programs. The procedure, which is restricted to incident-light techniques, has completely revolutionized fluorescence microscopy in biology in particular.

French

Domaine(s)
  • Optique
  • Appareil cutané
CONT

La technique de microscopie confocale mise au point [...] pour l'imagerie cutanée in vivo est issue d'une adaptation du Tandem Scanning Microscope (TSM), un microscope à balayage optique en temps réel. Le principe confocal utilise la lumière blanche en mode réflexion et un disque rotatif pour donner une image nette dans la profondeur d'un tissu, en éliminant de l'image toutes les informations situées au-dessus et en dessous du plan focal.

CONT

Un des aspects les plus intéressants de la microscopie confocale, outre son caractère non destructif, est sa rapidité de mise en œuvre; elle comble un fossé important entre la microscopie optique conventionnelle et la microscopie électronique. La localisation de molécules spécifiques, dans le contexte cellulaire, apporte d'importantes contributions à l'étude fonctionnelle des systèmes biologiques à différents niveaux d'organisation : subcellulaire, cellulaire, tissulaire ou organisme entier. L'utilisation de traceurs fluorescents très spécifiques permet de localiser in situ avec une résolution spatiale de l'ordre de 400 - 500 nanomètres, des composants macro-moléculaires tels que acides nucléiques et protéines, mais aussi de petites molécules telles que des peptides, lipides et même des ions.

OBS

La microscopie confocale permet la localisation in situ d'une sonde fluorescente dans des cellules d'un spécimen d'une épaisseur de 10 mm à 50 mm selon certains auteurs (5 mm à 30 mm plus raisonnablement), sans sectionnement mécanique préalable. Son concurrent est le laser krypton (longueur d'onde) qui permet une excitation des fluorochromes situés dans le Vert (Texas-Red, Cyanin Blue).

Spanish

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Record 2 2015-09-23

English

Subject field(s)
  • Computer Programs and Programming
  • Automatic Control (Machine Tools)
  • Applications of Automation
  • Industrial Techniques and Processes
DEF

A function to execute the machine program without movement of the Z-axis.

OBS

Z-axis feed cancel : term and definition standardized by ISO.

French

Domaine(s)
  • Programmes et programmation (Informatique)
  • Commandes automatiques (Machines-outils)
  • Automatisation et applications
  • Techniques industrielles
DEF

Fonction pour exécuter le programme machine sans mouvement de l’axe Z.

OBS

annulation de l’avance de l’axe Z : terme et définition normalisés par l'ISO.

Spanish

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Record 3 2012-03-08

English

Subject field(s)
  • Analytical Geometry
  • Statistical Graphs and Diagrams
DEF

In plane Cartesian coordinates: the axis parallel to which abscissas are measured.

CONT

The intercept of a straight line, curve, or surface on an axis of coordinates is the distance from the origin to the point where the line, curve, or surface cuts the axis. The intercept on the axis of abscissas or x-axis, is the x-intercept, and that on the axis of ordinates, or y-axis, the y-intercept.(In space, the intercept on the z-axis is the z-intercept.)

French

Domaine(s)
  • Géométrie analytique
  • Diagrammes et graphiques (Statistique)
DEF

Dans un système de coordonnées planes ou spatiales, droite sur laquelle sont portées les abscisses à partir de l'origine O des coordonnées.

CONT

Coordonnées parallèles obliques [...] Les droites sont toujours disposées de sorte que leurs origines coïncident, d'où O=O'; elles sont appelées axes du système de coordonnées, et on les appelle habituellement axe des x, ou axe des abscisses, et axe des y, ou axe des ordonnées [...]

Spanish

Campo(s) temático(s)
  • Geometría analítica
  • Diagramas y gráficos estadísticos
DEF

Eje de coordenadas, generalmente horizontal, en un sistema de coordenadas cartesianas del plano definido por este eje y otro perpendicular a él.

Save record 3

Record 4 2011-07-28

English

Subject field(s)
  • Analytical Geometry
  • Statistical Graphs and Diagrams
DEF

In plane Cartesian coordinates: the axis parallel to which ordinates are measured.

CONT

The intercept of a straight line, curve, or surface on an axis of coordinates is the distance from the origin to the point where the line, curve, or surface cuts the axis. The intercept on the axis of abscissas or x-axis, is the x-intercept, and that on the axis of ordinates, or y-axis, the y-intercept.(In space, the intercept on the z-axis is the z-intercept.)

Key term(s)
  • ordinate

French

Domaine(s)
  • Géométrie analytique
  • Diagrammes et graphiques (Statistique)
DEF

Dans un système de coordonnées planes ou spatiales, droite sur laquelle sont comptées les ordonnées, à partir de l'origine O des coordonnées.

CONT

Coordonnées parallèles obliques [...] Les droites sont toujours disposées de sorte que leurs origines coïncident, d'où O=O'; elles sont appelées axes du système de coordonnées, et on les appelle habituellement axe des x, ou axe des abscisses, et axe des y, ou axe des ordonnées [...]

Key term(s)
  • axe y
  • ordonnée

Spanish

Campo(s) temático(s)
  • Geometría analítica
  • Diagramas y gráficos estadísticos
DEF

Eje de coordenadas perpendicular al eje de abscisas.

Key term(s)
  • eje coordenado
Save record 4

Record 5 2007-02-05

English

Subject field(s)
  • Astronautics
CONT

The local orbital reference system is defined at each point of the orbit by three unit vectors. These vectors are derived from the satellite position and velocity vectors: Vector L is colinear with position vector P (on the axis between the Earth’s centre and the satellite). It defines the yaw axis. Vector T is perpendicular to the orbital plane (vector L, vector V). It defines the pitch axis. Vector R completes the set of orthogonal axes. It lies in the plane defined by Vectors L and V and defines the roll axis. It does not coincide exactly with the velocity vector due to the eccentricity of the orbit.

CONT

Spacecraft axes. The three orthogonal axes of rotation: roll, pitch and yaw. If the spacecraft has a recognisable longitudinal axis or a specified forward direction of flight, the axes are analogous to those of an aircraft, where the roll axis is the longitudinal axis; the pitch axis is in the plane of the wings; and the yaw axis is the "vertical" axis, orthogonal to both the roll and pitch axes. The axes are mutually perpendicular, with an "origin" at the vehicle’s centre of mass. For a winged spacecraft such as a Space Shuttle, the similarity with an aircraft is obvious. For expendable launch vehicles the roll axis is the axis which is vertical at launch and the other axes are more-or-less arbitrarily assigned since the vehicle rotates about the roll axis in flight. ... The axes of a cylindrical spacecraft (e.g. Apollo, Suyuz, etc.) are similar to those of an ELV [Expendable Launch Vehicle] at launch, but one orbit assume the axis-definition of an aircraft (i.e. defined relative to the pilot’s seat). The axes of a satellite mirror those of an aircraft "flying along the orbital arc": the roll axis is aligned with the direction of travel; the yaw axis passes through the sub-satellite point; and the pitch axis is orthogonal to the other two. For a satellite in an equatorial orbit, the pitch axis is aligned approximately with the Earth’s spin axis. The pitch axis is also the spin axis for the spin-stabilised satellite.

OBS

In the compilation of engineering drawings the three orthogonal axes are often labelled in Cartesian fashion : x=roll, y=pitch, z=yaw. For the three-axis stabilised spacecraft, the x-axis and y-axis are otherwise known as the east-west and north-south axes, respectively; the z-axis passes through the sub-satellite point. This leads to the definition of the box-shaped satellite's faces as follows : the "plus-x face" faces east; the "minus-x face" faces west; +y faces south;-y faces north; +z is the Earth-pointing face; and-z is the "anti-Earth face. "

OBS

roll axis; axis of roll: terms officially approved by the International Space Station official approval Group (ISSOAG) and by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Astronautique
CONT

Le repère orbital local est défini en chaque point de l'orbite par les trois vecteurs unitaires. Ces vecteurs sont construits à partir du vecteur position et du vecteur vitesse du satellite : le vecteur L est colinéaire au vecteur position P (sur l'axe centre Terre, satellite). Il définit l'axe de lacet. Le vecteur T est perpendiculaire au plan de l'orbite (vecteur L, vecteur V). Il définit l'axe de tangage. Le vecteur R complète le trièdre. Il appartient au plan (vecteur L, vecteur V) et définit l'axe de roulis. Il ne coïncide pas exactement avec le vecteur vitesse à cause de l'excentricité de l'orbite.

OBS

axe de roulis : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI) et par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

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Record 6 2007-02-05

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

The local orbital reference system is defined at each point of the orbit by three unit vectors. These vectors are derived from the satellite position and velocity vectors: Vector L is colinear with position vector P (on the axis between the Earth’s centre and the satellite). It defines the yaw axis. Vector T is perpendicular to the orbital plane (vector L, vector V). It defines the pitch axis. Vector R completes the set of orthogonal axes. It lies in the plane defined by Vectors L and V and defines the roll axis. It does not coincide exactly with the velocity vector due to the eccentricity of the orbit.

CONT

Spacecraft axes. The three orthogonal axes of rotation: roll, pitch and yaw. If the spacecraft has a recognisable longitudinal axis or a specified forward direction of flight, the axes are analogous to those of an aircraft, where the roll axis is the longitudinal axis; the pitch axis is in the plane of the wings; and the yaw axis is the "vertical" axis, orthogonal to both the roll and pitch axes. The axes are mutually perpendicular, with an "origin" at the vehicle’s centre of mass. For a winged spacecraft such as a Space Shuttle, the similarity with an aircraft is obvious. For expendable launch vehicles the roll axis is the axis which is vertical at launch and the other axes are more-or-less arbitrarily assigned since the vehicle rotates about the roll axis in flight. ... The axes of a cylindrical spacecraft (e.g. Apollo, Suyuz, etc.) are similar to those of an ELV [Expendable Launch Vehicle] at launch, but one orbit assume the axis-definition of an aircraft (i.e. defined relative to the pilot’s seat). The axes of a satellite mirror those of an aircraft "flying along the orbital arc": the roll axis is aligned with the direction of travel; the yaw axis passes through the sub-satellite point; and the pitch axis is orthogonal to the other two. For a satellite in an equatorial orbit, the pitch axis is aligned approximately with the Earth’s spin axis. The pitch axis is also the spin axis for the spin-stabilised satellite.

OBS

In the compilation of engineering drawings the three orthogonal axes are often labelled in Cartesian fashion : x=roll, y=pitch, z=yaw. For the three-axis stabilised spacecraft, the x-axis and y-axis are otherwise known as the east-west and north-south axes, respectively; the z-axis passes through the sub-satellite point. This leads to the definition of the box-shaped satellite's faces as follows : the "plus-x face" faces east; the "minus-x face" faces west; +y faces south;-y faces north; +z is the Earth-pointing face; and-z is the "anti-Earth face. "

OBS

pitch axis: term officially approved by the International Space Station official approval Group (ISSOAG) and by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
CONT

Le repère orbital local est défini en chaque point de l'orbite par les trois vecteurs unitaires. Ces vecteurs sont construits à partir du vecteur position et du vecteur vitesse du satellite : Le vecteur L est colinéaire au vecteur position P (sur l'axe centre Terre, satellite). Il définit l'axe de lacet. Le vecteur T est perpendiculaire au plan de l'orbite (vecteur L, vecteur V). Il définit l'axe de tangage. Le vecteur R complète le trièdre. Il appartient au plan (vecteur L, vecteur V) et définit l'axe de roulis. Il ne coïncide pas exactement avec le vecteur vitesse à cause de l'excentricité de l'orbite.

OBS

axe de tangage : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI) et par le Groupe de travail de la terminologie de RADARSAT-2.

Spanish

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Record 7 2004-12-22

English

Subject field(s)
  • Mineralogy
DEF

Any monoclinic mineral of the pyroxene group, such as diopside, hedenbergite, clinoenstatite, clinohypersthene, clinoferrosilite, augite, acmite, pigeonite, spodumene, jadeite, and omphacite.

OBS

The clinopyroxenes... differ from the orthopyroxenes in that the stacking of the tetrahedral chains is staggered in the z-axis direction... This stagger results in a monoclinic unit cell in contrast to the orthorhombic unit cell of the orthopyroxenes.

French

Domaine(s)
  • Minéralogie
DEF

Silicate ferro-magnésien (avec, en proportions variables, du calcium, et du sodium), du système monoclinique.

Spanish

Campo(s) temático(s)
  • Mineralogía
CONT

Los [...] clinopiroxenos cristalizan en el sistema clinorrómbico [...]

OBS

clinorrómbico: monoclínico.

Save record 7

Record 8 2003-08-18

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

The Local Vertical Local Horizontal coordinate system is referenced to the near-circular orbital plane. In order to specify the attitude of the Station with respect to the Local Vertical Local Horizontal, a system based on Eulerian angles of roll, pitch and yaw is used.

CONT

The ISS [International Space Station] flies in an attitude that is referenced to the orbital plane of ISS using a set of local vertical/local-horizontal axes. The origin is at the ISS centre of mass, with the x-axis pointing along the direction of the orbital velocity vector(sometimes referred to as the "ram" direction). The z-axis points directly towards the Earth, and the y-axis parallel to the truss assembly... This orientation is referred to as "x-axis toward the velocity vector" Torque Equilibrium Attitude and is the "normal" orientation of the ISS. The overall ISS design is optimised to fly in this attitude, which places the most laboratory modules in the "best" microgravity volume, supports attitude reboosts, service vehicle docking and minimises aerodynamic drag.

OBS

local vertical local horizontal; LVLH: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
OBS

local vertical local horizontal; LVLH : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 8

Record 9 2003-05-29

English

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

Micromanipulators are devices for positioning and manipulating microminiature objects such as surgical tools, electrical probes, and fiber optics. To see and contact microminiature objects, micromanipulators must be used in conjunction with microvisualization equipment(high-magnification microscopes). In the field of microelectronics, very-high-resolution optical microscopy is combined with mechanical micromanipulators to provide systems capable of visualizing and positioning electrical probes on elements of 1 micron dimension. Optical components with resolution approaching the limits of visible light(1000X) are used with manipulators of the leadscrew, ball-joint design, and 100-thread-per-inch resolution to provide X-, Y-, and Z-axis positioning sensitivity of about 0. 7 microns per degree. Micromanipulator systems may be used to perform a broad range of functions including electrical microprobing of integrated circuits(ICs).

CONT

For example, the major components of a system for microprobing to measure electrical characteristics of microelectronic devices can be divided into four functional areas: optics, device holder manipulator/probe, and accessories.

Key term(s)
  • micro-manipulator

French

Domaine(s)
  • Techniques industrielles
  • Circuits imprimés et micro-électronique
  • Équipement (Chimie)
  • Biotechnologie
DEF

Appareil permettant, au moyen d'instruments extrêmement déliés (pinces, aiguilles, lames coupantes, etc.), commandés, à la main ou automatiquement, par l'intermédiaire d'un mécanisme réducteur, d'effectuer diverses interventions sur les objets microscopiques observés dans le champ du microscope ou d'un oculaire grossissant.

Spanish

Campo(s) temático(s)
  • Procesos y técnicas industriales
  • Circuitos impresos y microelectrónica
  • Equipo (Química)
  • Biotecnología
Save record 9

Record 10 2003-05-26

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

The ISS [International Space Station] flies in an attitude that is referenced to the orbital plane of ISS using a set of local vertical/local-horizontal axes. The origin is at the ISS centre of mass, with the x-axis pointing along the direction of the orbital velocity vector(sometimes referred to as the "ram" direction). The z-axis points directly towards the Earth, and the y-axis [is] parallel to the truss assembly,...

OBS

direction of the orbital velocity vector: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
CONT

[...] la queue de la navette est orientée vers la Terre et sa soute se trouve dans la direction du vecteur de vélocité [...]

OBS

direction du vecteur de vélocité : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 10

Record 11 2003-02-27

English

Subject field(s)
  • Spacecraft
  • Orbital Stations
  • Launching and Space Maneuvering
CONT

The androgynous peripheral docking system(APDS), manufactured by RSC-Energia in Kaliningrad, Russia, is designed to achieve the capture, dynamic attenuation, alignment, and hard docking of spacecraft through the use of essentially identical docking mechanisms attached to each vehicle. The primary components of each docking mechanism are a structural base ring housing 12 pairs of structural hooks(1 active, 1 passive per pair), an extendable guide ring with 3 petals, a motordriven capture latch within each guide petal, 3 ball screw/nut mechanism pairs connected via a common linkage, 3 electromagnetic brakes(dampers), and 5 fixer mechanisms(that allow for only z-axis movement of the guide ring).

French

Domaine(s)
  • Engins spatiaux
  • Stations orbitales
  • Lancement et manœuvres dans l'espace
OBS

Les Russes utilisent deux systèmes d'amarrage, le premier appelé «probe and drogue», système d'amarrage central avec parties mâle et femelle, le second dit «androgyne» (pas de parties mâle/femelle spécifique). L'anneau a 1 mètre de diamètre.

Spanish

Save record 11

Record 12 2002-05-24

English

Subject field(s)
  • Textile Industries
  • Tools and Equipment (Textile Industries)
CONT

VectorComposite includes a high-performance cutting head, allowing the interchangeable use of two cutting technologies : a vibrating, no-sharpening blade to avoid polluting the material or a dragged blade.

CONT

High performance cutting head with Z-axis controlled tangential module and pen module. Applications : Graphic-, Textile, Leather-and Shoe industry.

French

Domaine(s)
  • Industries du textile
  • Outillage et équipement (Industries du textile)
CONT

VectorComposite est spécialement adapté grâce : - Au nouvel outil de pilotage logiciel VectorPilotComposite, pour la découpe des formes et des matières composites. - A la tête de coupe haute performance, permettant de manière interchangeable d'utiliser deux technologies de découpe : une lame vibrante sans affûtage pour ne pas polluer la matière ou une lame traînée.

Spanish

Save record 12

Record 13 2002-05-24

English

Subject field(s)
  • Textile Industries
  • Tools and Equipment (Textile Industries)
CONT

VectorComposite includes a high-performance cutting head, allowing the interchangeable use of two cutting technologies : a vibrating, no-sharpening blade to avoid polluting the material or a dragged blade.

CONT

High performance cutting head with Z-axis controlled tangential module and pen module. Applications : Graphic-, Textile, Leather-and Shoe industry.

French

Domaine(s)
  • Industries du textile
  • Outillage et équipement (Industries du textile)
CONT

VectorComposite est spécialement adapté grâce : - Au nouvel outil de pilotage logiciel VectorPilotComposite, pour la découpe des formes et des matières composites. - A la tête de coupe haute performance, permettant de manière interchangeable d'utiliser deux technologies de découpe : une lame vibrante sans affûtage pour ne pas polluer la matière ou une lame traînée.

Spanish

Save record 13

Record 14 2002-03-26

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

... The ISS [International Space Station] will be "flying" at what we call a Torque Equilibrium Attitude (TEA). A TEA just means that all of the external torques (like aerodynamic drag and gravity) on the ISS [International Space Station] are balanced, and the ISS doesn’t need to fire thrusters to remain in attitude.

CONT

The ISS [International Space Station] flies in an attitude that is referenced to the orbital plane of ISS using a set of local vertical/local-horizontal axes. The origin is at the ISS centre of mass, with the x-axis pointing along the direction of the orbital velocity vector(sometimes referred to as the "ram" direction). The z-axis points directly towards the Earth, and the y-axis parallel to the truss assembly... This orientation is referred to as "x-axis toward the velocity vector" Torque Equilibrium Attitude and is the "normal" orientation of the ISS.

OBS

torque equilibrium attitude; TEA: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
OBS

stabilisation dynamique de l'attitude; TEA : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 14

Record 15 2002-03-19

English

Subject field(s)
  • Photography
  • Optics
DEF

The rotation of a camera or a photograph coordinate system about either the photograph z-axis or the exterior z-axis.

OBS

yaw: term and definition standardized by NATO.

French

Domaine(s)
  • Photographie
  • Optique
DEF

Rotation d'un appareil de prise de vues ou d'un système de coordonnées photographiques autour de l'axe des Z (photographique ou extérieur).

OBS

lacet : terme et définition normalisés par l'OTAN.

Spanish

Campo(s) temático(s)
  • Fotografía
  • Óptica
DEF

Giro de una cámara o de un sistema de coordenadas fotográfico alrededor del eje z (fotográfico o exterior).

Save record 15

Record 16 2001-07-03

English

Subject field(s)
  • Launching and Space Maneuvering
  • Orbital Stations
CONT

The description of the Station's flight attitude(orientation relative to the plane of its orbit) is referenced to local-vertical/local-horizontal(LVLH) axes that are fixed with respect to the Station's near-circular orbit(i. e., not to the physical Station). The LVLH origin is at the Station's center-of-mass; the z-axis points radially toward the Earth's center(or toward the nadir direction), the x-axis points along the orbital velocity vector(the ram direction, with wake being opposite), and the y-axis completes the right-handed triad. The flight attitude of the Station is then described using a second, Station-fixed, coordinate system whose orientation relative to LVLH is specified using the Eulerian angles of yaw, pitch and roll. Several Station-fixed coordination systems are defined. The most widely used is the Space Station Reference Coordinate System,... in thich the positive x-axis points along the axis of the U. S. lab away from the Zarya and Service Modules; the positive y-axis points starboard along the main truss, and positive z completes a right-handed coordinate system.

OBS

Station’s flight attitude: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
  • Stations orbitales
CONT

Iouri Onoufrienko et Dan Bursch, qui avaient enfilé des combinaisons spatiales russes Orlan, ont installé six écrans de protection autour des micropropulseurs qui servent à contrôler l'attitude de la Station et qui sont situés à l'arrière du module Zvezda.

OBS

attitude de la Station : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 16

Record 17 1990-05-11

English

Subject field(s)
  • Informatics
  • Computer Graphics
OBS

Justification proposed by Intergraph : this command can rotate a view in a 2-D file by two points about an imaginary z-axis. The implied z-axis is perpendicular to the 2-D x-y plane.

French

Domaine(s)
  • Informatique
  • Infographie

Spanish

Save record 17

Record 18 1981-07-27

English

Subject field(s)
  • Aircraft Piloting and Navigation
  • The Eye
DEF

A specific form of the Oculogravic Illusion produced by a change in the magnitude of the linear acceleration vector but not its direction. With a reduction in magnitude of a vertical z-axis linear acceleration an object, fixed with reference to the observer, appears to descend, and to ascend when the linear acceleration in the same axis is increased.

Key term(s)
  • oculagravic illusion

French

Domaine(s)
  • Pilotage et navigation aérienne
  • Oeil
DEF

C'est une forme particulière de l'illusion oculogravique, produite par une modification dans la grandeur du vecteur d'accélération linéaire, mais non dans sa direction. Avec une réduction en grandeur d'une accélération linéaire verticale sur l'axe z, un objet, fixé par rapport à l'observateur, paraît descendre, il paraît monter quand l'accélération linéaire dans le même axe est augmentée.

Key term(s)
  • illusion oculogravique

Spanish

Save record 18

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