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IMAGING MIRROR [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2005-05-20

English

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

Each HRV [High Resolution Visible] contains a pointable mirror apparatus which allows the imaging direction to be varied at user-selected angles. Each HRV imager has two sensing modes. They are known as the Multi-Linear Array(MLA) and the Panchromatic Linear Array(PLA) sensors. The MLA sensor captures data in three spectral bands : 500-590 nm, nominal ground resolution of 20 metres at nadir. The PLA sensor captures data in the spectral range 510-730 nm at a 10 metre nominal ground resolution at nadir.

OBS

panchromatic linear array sensor; PLA sensor: terms officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

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

Chaque imageur HRV [High Resolution Visible] peut être exploité suivant deux modes, le mode capteur à barrette multibande (MLA) et le mode capteur à barrette panchromatique (PLA). Le capteur MLA permet de recueillir des données dans trois bandes du spectre : 500 à 590 nm, résolution nominale au sol de 20 mètres au nadir. Le capteur PLA permet de recueillir des données dans la plage spectrale de 510 à 730 nm à une résolution nominale au sol de 10 mètres au nadir. Les données sont archivées à raison d'environ 100 000 scènes (60 km x 60 km) par année. Chaque jeu de données comprend des données sur la radiance dans le visible et le proche infrarouge.

OBS

capteur à barrette panchromatique; capteur PLA : termes uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

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Record 2 2003-09-08

English

Subject field(s)
  • Social Psychology
  • Anthropology
CONT

Mirror imaging is a technique designed to help people see how their approach to conflict looks to others. [It] simply requires that they put aside their prejudices and stereotypes and, at least temporarily, look at the world from the perspective of others. This technique helps people understand why proposals that may seem perfectly reasonable to them are viewed as unacceptably selfish by others.

French

Domaine(s)
  • Psychologie sociale
  • Anthropologie
Key term(s)
  • technique de l'image miroir

Spanish

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Record 3 2003-06-20

English

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

Therefore, in such kind of telescopes, the background rejection technique needs signals with intensity much higher than the noise fluctuations with consequent increase of the telescope energy threshold. For example, Whipple with a mirror of 10 meter diameter can perform the imaging background rejection technique only on images with at least 300-400 photoelectrons.

French

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

Ce système est chargé de collecter toutes les informations venant du réseau et des télescopes à fluorescence, de décider des événements physiques à garder parmi un énorme «bruit», de les distribuer à des sites «miroir» répartis sur les divers continents, d'établir des diagnostics en cas de problèmes de fonctionnement etc... Le groupe a défini l'architecture du système d'acquisition central; il prépare l'ensemble des logiciels fonctionnant en ligne et hors-ligne, le système de déclenchement central du réseau qui conditionne la sélection des événements et l'élimination du bruit de fond ainsi que l'interface cage avec le détecteur optique.

Spanish

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Record 4 1988-09-08

English

Subject field(s)
  • Optics
OBS

mirror image: Characterizing a reversal of orientation, as the image of an object formed by a planar reflecting surface. Right-to-left change, as seen in a flat mirror.

French

Domaine(s)
  • Optique
OBS

Technique d'imagerie des photocopieurs conventionnels, par opposition aux systèmes à fibres optiques.

Spanish

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Record 5 1984-12-19

English

Subject field(s)
  • Optics
  • Astrophysics and Cosmography
CONT

Worthy of special mention was the excellent performance achieved by the calibration model of the X-ray optics [of the ESA EXOSAT satellite] during the testing of the imaging mirrors at a special long X-ray beam facility.

French

Domaine(s)
  • Optique
  • Astrophysique et cosmographie

Spanish

Save record 5

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