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SIDE SCANNING [9 records]

Record 1 2025-01-28

English

Subject field(s)
  • Radiography (Medicine)
OBS

When the plate is exposed to radiation, electrons migrate to electron traps within the phosphor material.... The exposed plate containing the latent image undergoes a reading process following the exposure... The reading of the plate involves scanning the entire plate from side to side using a laser beam.

French

Domaine(s)
  • Radiographie (Médecine)
DEF

[...] écran qui, suite à une exposition, va mémoriser l'atténuation des rayons X sous forme d'image latente[, qui sera lue] par un système de lecture qui exploitera ces informations sous forme numérique.

Spanish

Campo(s) temático(s)
  • Radiografía (Medicina)
CONT

El método CR (computed radiography) se basa en el marcado de una pantalla radioluminiscente de memoria (generalmente una placa de representación de imágenes al fósforo, IP) por medio de rayos X o gamma.

Save record 1

Record 2 2019-10-03

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Air Traffic Control
DEF

That level of scanning beam side lobe which in a specified multipath environment results in a particular guidance angle error.

OBS

effective side-lobe level; ESL: designations and definition officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Circulation et trafic aériens
DEF

Niveau des lobes secondaires de faisceau battant qui, dans un environnement de multitrajets spécifié, se traduit par une erreur particulière de l'angle de guidage.

OBS

niveau efficace des lobes secondaires; ESL : désignations et définition uniformisées par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Control de tránsito aéreo
DEF

Nivel del lóbulo lateral del haz explorador que en un medio determinado de trayectos múltiples resulta en un error especificado de ángulo de guía.

OBS

nivel eficaz de lóbulo lateral; ESL: designaciones y definición aceptadas oficialmente por la Organización de Aviación Civil Internacional (OACI).

Save record 2

Record 3 2012-09-27

English

Subject field(s)
  • Television (Radioelectricity)
  • Video Technology
  • Computer Graphics
DEF

The downward movement of the scanning beam from top to bottom of the picture being televised.

CONT

When the beam has returned to the left side, its vertical position is lowered so that the beam will scan the next line down and not repeat the same line. This is accomplished by the vertical scanning motion of the beam, which is provided in addition to horizontal scanning. As a result of the vertical scanning, all the horizontal lines slope downward slightly from top to bottom. When the beam is at the bottom, vertical retrace returns the beam to the top to start the scanning sequence again.

OBS

vertical scanning; vertical sweep: terms officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Télévision (Radioélectricité)
  • Vidéotechnique
  • Infographie
DEF

Mouvement de va-et-vient perpendiculairement aux lignes, à la fréquence des trames, permettant le retour du point au début du balayage d'une image.

OBS

On distingue le balayage ligne (ou horizontal) et le balayage image (ou vertical).

OBS

balayage vertical; balayage de trame; balayage d'images : termes uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

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Record 4 2010-03-08

English

Subject field(s)
  • Radio Transmission and Reception
  • Radar, Radio Guidance and Goniometry
OBS

side-looking :Scanning to either side of aircraft track; hence SLAR(side-looking airborne radar), radar whose output is detailed picture of terrain near track, either all on one side or equally on both sides, depending on aerial arrangement.

Key term(s)
  • side looking antenna

French

Domaine(s)
  • Émission et réception radio
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 4

Record 5 2010-03-05

English

Subject field(s)
  • Facilities and Instruments (Astronomy)
  • Spacecraft
CONT

An analysis of O I 5577 Å airglow limbs observed on the night side of the earth by a scanning photometer on board the ISIS 2 satellite has provided sufficient data to establish the existence of a prominent midlatitude maximum in the airglow emission rate.

French

Domaine(s)
  • Installations et instruments (Astronomie)
  • Engins spatiaux
CONT

Une analyse des contributions de la raie O I 5577 Å à la lueur du ciel, du côté nocturne de la terre, effectuée à l'aide d'un photomètre à balayage placé sur le satellite ISIS 2 a fourni des données suffisantes pour établir l'existence à latitude moyenne d'un maximum prononcé dans le taux d'émission de la lueur.

Spanish

Save record 5

Record 6 2009-08-19

English

Subject field(s)
  • Telecommunications Transmission
  • Television (Radioelectricity)
CONT

The first constant speed telecines used the flying spot scanning principle. A CRT [cathode-ray tube] produces a small spot of white light which is focused on the film. The spot is driven back and forth across the tube by a sawtooth waveform and consequently scans the film transversely. The film modulates the intensity of the light passing through and sensors on the other side of the film produce a video output signal.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Télévision (Radioélectricité)

Spanish

Save record 6

Record 7 2006-02-06

English

Subject field(s)
  • Biometrics
CONT

Hand scan. Hand scanning biometric technology uses the bottom and side silhouettes of a user's hand to verify identity.

French

Domaine(s)
  • Biométrie

Spanish

Save record 7

Record 8 2005-01-24

English

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

Remote sensing systems that build up an image by scanning from side to side in a direction that is at right angles to the sensors direction of movement[;] this scanning from side to side is achieved through electromechanical mechanisms which change the direction of view of the sensor.

CONT

Spatial imaging is achieved using the push-broom principle: the across-track scanning is performed electronically and the along-track scanning is made thanks to the satellite motion.

OBS

Sensors aboard the Landsat satellites were built in a "whisk broom" (across track) configuration. In a whisk broom sensor, a mirror scans across the satellite’s path, reflecting light into a single detector which collects data one pixel at a time. The moving parts make this type of sensor expensive and more prone to wearing out.

OBS

across-track scanning: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

Key term(s)
  • cross-track scanning
  • across track scanning

French

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

Scannage effectué par défilement du champ de visée instantané perpendiculairement à la trace de la plate-forme d'observation sur le sol.

OBS

Le «scannage transversal» peut être réalisé par des moyens mécaniques ou électroniques.

Spanish

Save record 8

Record 9 2002-01-10

English

Subject field(s)
  • Television (Radioelectricity)
  • Electrical Engineering
  • Video Technology
CONT

The sets also incorporate a progressive scan system which doubles the scanning lines to produce a picture with impressive depth and vivid color without flicker; a two-tuner PIP(picture in picture), Invar Shadow Mask, 3D Y/C Comb Filter, side and rear S-Video inputs and a total of three rear A/V inputs and monitor output for versatile video component connections.

French

Domaine(s)
  • Télévision (Radioélectricité)
  • Électrotechnique
  • Vidéotechnique
CONT

Le branchement composantes vidéo, lui, permet de transmettre le signal vidéo tel qu'il est composé, sans altération, sans manipulation, directement de la source à l'écran, sans passer par un décodeur : c'est là le secret du ColorStream. Son Signal est transmis à l'aide de trois fils, chaque couleur ayant le sien (le vert est transmis avec la luminance), ce qui donne un raccordement très clair, permettant d'obtenir une définition horizontale de 480 à 500 lignes.

Spanish

Save record 9

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