TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

GOES-9, a three axis stabilized spacecraft, remains stationary in space which allows the [imager and sounder] instruments to be continuously pointed at the earth. The scanning system moves back and forth(i. e., east to west and then west to east) as it moves north to south. While the spacecraft is stationary, it is not absolutely still. Earth location and registration accuracy are [affected] by orbital motions, instrument motion, and thermal distortion. A complicated set of navigation(earth location) and registration(image-to-image location of a landmark) correction schemes are necessary to compensate for these effects.... The registration schemes briefly are : 1) image motion compensation(IMC) and 2) mirror motion compensation(MMC). The IMC removes spacecraft orbit and attitude motion from each image. The MMC automatically corrects for the predictable effects of the instrument mirror motions.  3, fiche 1, Anglais, - mirror%20motion%20compensation

Fiche 1,  Justifications,  Français

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 DEF

An instrument for sending telegraphic messages by reflecting the sun's rays from a mirror.  2, fiche 2, Anglais, - heliograph

Fiche 2,  Justifications,  Français

Record number: 2, Textual support number: 1 DEF

Appareil télégraphique optique qui utilise les rayons solaires réfléchis à l'aide de miroirs.  2, fiche 2, Français, - h%C3%A9liographe

Fiche 2,  Justifications,  Espagnol

Record number: 2, Textual support number: 1 DEF

Aparato de telegrafía óptica fundado en el uso de un espejo que se hace oscilar al sol con un manipulador para producir destellos cortos o largos, con arreglo al alfabeto Morse, visibles desde la estación receptora.  1, fiche 2, Espagnol, - heli%C3%B3grafo

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

Although there are a number of on-board calibration means not all necessary parameters are accessible. These parameters are subject to on-ground calibration and are not supposed to change from ground to orbit. The most important measurements to be done on ground are [:] the measurement of the diffuser BSDF [Bidirectional Scutter Distribution Function] for the wavelength range of interest [;] the characterisation of the polarisation response of the instrument as a function of the optical path(normal observation path and sun observation path), scan mirror position(the scan mirror reflectivity for S and P polarisation is a function of the mirror angle), and wavelength.  2, fiche 3, Anglais, - ground%20calibration

Record number: 3, Textual support number: 1 OBS

ground calibration: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, fiche 3, Anglais, - ground%20calibration

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 CONT

Étalonnage au sol. Une méthode d'étalonnage permettant d'offrir aux utilisateurs des produits présentant la qualité d'image spécifiée sera élaborée et mise en œuvre.  1, fiche 3, Français, - %C3%A9talonnage%20au%20sol

Record number: 3, Textual support number: 1 OBS

étalonnage au sol : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 3, Français, - %C3%A9talonnage%20au%20sol

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 CONT

An instrument located at the Fred Lawrence Whipple Observatory on Mount Hopkins, Arizona, at an altitude of 2, 606 m(8, 550 ft). It employed six mirrors, each 1. 82 m(72 in.) across, working together to give the equivalent of a single mirror 4. 45 m(176 in.) in aperture. In 1998, the MMT was used in a pioneering demonstration of nulling interferometry to image the dust cloud around Betelgeuse. Following this, the telescope was closed and work began to upgrade it by replacing the 6 small mirrors with a single mirror 6. 5 m in diameter.  2, fiche 4, Anglais, - multiple%20mirror%20telescope

Record number: 4, Textual support number: 1 OBS

The MMT kept its original name after it was converted to a single 6.5m diameter mirror on May 20, 2000.  3, fiche 4, Anglais, - multiple%20mirror%20telescope

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 CONT

L'observatoire d'astrophysique Smithsonian et l'Université d'Arizona présentèrent, en 1979, un tout nouveau type de télescope: le MMT ("Multiple-Mirror Telescope", ou télescope à miroir multiple). Installé sur le mont Hopkins en Arizona, le MMT se compose de 6 miroirs de 183 cm (72"), disposés en hexagone et alignés par ordinateur.  3, fiche 4, Français, - t%C3%A9lescope%20%C3%A0%20miroir%20multiple

Record number: 4, Textual support number: 1 OBS

Il existe d'autres types de télescopes à miroirs multiples : le télescope Keck, situé à l'observatoire du Mauna Kea, à Hawaii, aux États-Unis, est constitué de 36 petits miroirs hexagonaux de 90 cm. Le télescope spatial James Webb (JWST), dont le lancement est prévu pour 2010, sera constitué de 18 miroirs de 6.5 mètres.  4, fiche 4, Français, - t%C3%A9lescope%20%C3%A0%20miroir%20multiple

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

Record number: 5, Textual support number: 1 CONT

nephoscope. An instrument for determining the direction of cloud motion. There are two basic designs of nephoscope : the direct-vision nephoscope and the mirror nephoscope. Also called nepheloscope.  1, fiche 5, Anglais, - direct%2Dvision%20nephoscope

Record number: 5, Textual support number: 1 OBS

The grid nephoscope and the comb nephoscope are two direct-vision (no mirror) nephoscopes.  2, fiche 5, Anglais, - direct%2Dvision%20nephoscope

Fiche 5,  Justifications,  Français

Record number: 5, Textual support number: 1 OBS

Les nuages peuvent être observés soit directement par une grille ou une herse, soit indirectement par la réflection dans un miroir.  2, fiche 5, Français, - n%C3%A9phoscope%20%C3%A0%20vision%20directe

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

Record number: 6, Textual support number: 1 CONT

Preprocessing is an important and diverse set of image preparation programs that act to offset problems with the band data and recalculate DN [Digital Number] values that minimize these problems. Among the programs that optimize these values are atmospheric correction(affecting the DNs of surface materials because of radiance from the atmosphere itself, involving attenuation and scattering) ;Sun illumination geometry; surface-induced geometric distortions; spacecraft velocity and attitude variations(roll, pitch, and yaw) ;effects of Earth rotation, elevation, curvature(including skew effects), abnormalities of instrument performance(irregularities of detector response and scan mode such as variations in mirror oscillations) ;loss of specific scan lines(requires destriping), and others. Once performed on the raw data, these adjustments require appropriate radiometric and geometric corrections.  2, fiche 6, Anglais, - preprocessing

Record number: 6, Textual support number: 1 OBS

preprocessing: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, fiche 6, Anglais, - preprocessing

Fiche 6,  Justifications,  Français

Record number: 6, Textual support number: 1 CONT

La première étape de prétraitement des données SAR correspond à la transformation des données 16 bits en données 8 bits et ce, afin de faciliter la manipulation ainsi que la combinaison avec les autres données optiques qui sont, généralement, sur 8 bits. La deuxième étape consiste à réduire le châtoiement inhérent aux images SAR [radar à synthèse d'ouverture] [...] La troisième étape comprend le prétraitement des données TM [Thematic Mapper] de Lansat dont le but vise essentiellement l'amélioration de la qualité des images. Cette étape est effectuée en trois phases : la superposition géométrique, le géocodage des images optiques comparées à une image SAR disponible de type GEC [Geocoded Ellipsoid Corrected] et, enfin, le rééchantillonnage des pixels à une résolution de 25 m.  2, fiche 6, Français, - pr%C3%A9traitement

Record number: 6, Textual support number: 1 OBS

prétraitement : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 6, Français, - pr%C3%A9traitement

Fiche 6,  Justifications,  Espagnol

Fiche 7,  Justifications,  Anglais

Record number: 7, Textual support number: 1 DEF

Nephoscope in which the image of the clouds produced by a mirror is observed.  4, fiche 7, Anglais, - mirror%20nephoscope

Record number: 7, Textual support number: 1 CONT

The mirror nephoscope consists essentially of a horizontal disk of black glass engraved with concentric circles. A vertical pointer adjustable to various known heights is mounted on the rim of the instrument. The pointer is so placed by the observer that the image of the cloud under observation is in line with the pointer and the centre of the disk. The image is kept in line with the pointer as it moves, and the direction of motion is read off from a scale on the rim of the circle. Another type of mirror nephoscope has a mirror on which the only marking is a centre point.  5, fiche 7, Anglais, - mirror%20nephoscope

Record number: 7, Textual support number: 1 OBS

nephoscope : An instrument for determining the direction of cloud motion. There are two basic designs of nephoscope : the direct-vision nephoscope and the mirror nephoscope. Also called nepheloscope.  6, fiche 7, Anglais, - mirror%20nephoscope

Record number: 7, Textual support number: 2 OBS

There are several types of nephoscope: the comb nephoscope developed by Besson; the mirror nephoscope developed by Finemann; and the grid nephoscope, a variation on the comb modified by the Norwegians.  7, fiche 7, Anglais, - mirror%20nephoscope

Record number: 7, Textual support number: 3 OBS

In one source, the Finemann nephoscope is "a mirror nephoscope developed by Finemann". In the other source, Fineman nephoscope is an "adaptation of the mirror nephoscope". Compare Fineman nephoscope.  8, fiche 7, Anglais, - mirror%20nephoscope

Fiche 7,  Justifications,  Français

Record number: 7, Textual support number: 1 DEF

Néphoscope dans lequel on observe l'image des nuages donnée par un miroir.  2, fiche 7, Français, - n%C3%A9phoscope%20%C3%A0%20miroir

Fiche 7,  Justifications,  Espagnol

Record number: 7, Textual support number: 1 DEF

Nefoscopio en que las imágenes de las nubes se reflejan sobre un espejo.  1, fiche 7, Espagnol, - nefoscopio%20de%20reflexi%C3%B3n

Fiche 8,  Justifications,  Anglais

Record number: 8, Textual support number: 1 DEF

A haploscopic projection instrument for deriving the subjective refraction and various supplementary motility, binocular coordination, and image quality measurements of the eyes by utilizing continuously variable(Alvarez) lenses, a mirror which directs light with adjustable vergence, a system for measuring astigmatism which involves subjective judgments of line targets in two pairs of fixed meridians, and the automatic computation of the indicated spherocylinder prescription.  1, fiche 8, Anglais, - Humphrey%20Vision%20Analyzer

Record number: 8, Textual support number: 1 CONT

Automatic computerized p erimetry in chronic simple glaucoma. Interest of Humphrey Field Analyser custom tests. (In Ophtalmologie, 1988, 2 (5) 449-456, cited in PASCAL data base.)  3, fiche 8, Anglais, - Humphrey%20Vision%20Analyzer

Fiche 8,  Justifications,  Français

Record number: 8, Textual support number: 1 CONT

Dépistage de déficits glaucomateux à l'aide de l'analyseur de Humphrey. (Relevé dans Ophthalmology (Rochester), 1986, 93 (7) 882-886, cité dans les bases de données.)  1, fiche 8, Français, - analyseur%20de%20Humphrey

Record number: 8, Textual support number: 2 CONT

L'analyseur de vision Humphrey a introduit la technique de décomposition astigmate grâce aux sphères et cylindres d'Alvarez à variation continue. (Relevé dans Ophthalmic & physiological optics, 1984, 4 (4) 359-364, cité dans la base de données PASCAL.)  1, fiche 8, Français, - analyseur%20de%20Humphrey

Fiche 8,  Justifications,  Espagnol

Fiche 9,  Justifications,  Anglais

Record number: 9, Textual support number: 1 CONT

The Imager can perform spacelooks in two ways. The scan can be interrupted and the mirror pointed to space to take a reading; this is called a spaceclamp. Or the scan frame can be made such that either the east side or the west side extends beyond earth edge, beyond earth shine, into space, making the instrument scan space; this is called a scanclamp.  2, fiche 9, Anglais, - Earth%20edge

Fiche 9,  Justifications,  Français

Fiche 9,  Justifications,  Espagnol

Fiche 10,  Justifications,  Anglais

Record number: 10, Textual support number: 1 DEF

An instrument containing mirror reflecting surfaces which produce a changing pattern when viewed against light.  2, fiche 10, Anglais, - kaleidoscope

Record number: 10, Textual support number: 1 CONT

A slight turn of a kaleidoscope when you’re looking through it and you get a different view of things. The image changes. If you turn the kaleidoscope a great deal, the image changes substantially or even completely. If you turn the kaleidoscope only slightly, however, the image changes only slightly, being built partly upon that at which you were looking initially.  1, fiche 10, Anglais, - kaleidoscope

Fiche 10,  Justifications,  Français

Record number: 10, Textual support number: 1 DEF

Appareil formé d'un tube opaque, contenant plusieurs miroirs disposés de façon que de petits objets colorés placés dans le tube y produisent des dessins variés.  1, fiche 10, Français, - kal%C3%A9idoscope

Fiche 10,  Justifications,  Espagnol

Fiche 11,  Justifications,  Anglais

Record number: 11, Textual support number: 1 DEF

A measuring instrument in which the indications are given by the position of a beam of light reflected by a mirror which is integral with the moving element.  1, fiche 11, Anglais, - measuring%20instrument%20with%20mirror

Fiche 11,  Justifications,  Français

Record number: 11, Textual support number: 1 DEF

Appareil mesureur dans lequel les indications sont données par la position d'un faisceau lumineux réfléchi par un miroir solidaire de l'équipage mobile.  1, fiche 11, Français, - appareil%20mesureur%20%C3%A0%20miroir

Record number: 11, Textual support number: 1 OBS

appareil mesureur à miroir : recommandation internationale de la Troisième Conférence Internationale de Métrologie Légale, 1968.  2, fiche 11, Français, - appareil%20mesureur%20%C3%A0%20miroir

Fiche 11,  Justifications,  Espagnol

Fiche 12,  Justifications,  Anglais

Record number: 12, Textual support number: 1 DEF

An instrument in which the reading is given by the movement of a beam of light reflected from a mirror affixed to the moving element.  1, fiche 12, Anglais, - mirror%20instrument

Fiche 12,  Justifications,  Français

Fiche 12,  Justifications,  Espagnol