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METRIC CAMERA [2 records]

Record 1 2007-06-12

English

Subject field(s)
  • Astronautics
  • Remote Sensing
CONT

A principal sensor on board the satellite is the Space-Based Visible(SBV) sensor, a visible-band electro-optical camera designed... to perform the first technical and functional demonstration of space-based space surveillance. The principal task of the SBV sensor is to gather metric and photometric information on a variety of resident space objects(RSO).... Currently, the resident space object(RSO) catalog contains more than 8000 entries, consisting of active and inactive satellites, rocket bodies, and debris, with an active subset of over 800 objects.

CONT

We have created a catalog containing observations of over 1000 resident space objects (RSOs) by the infrared (IR) telescope on the Midcourse Space Experiment. These objects, a mix of satellites, rocket bodies, boosters, and debris, were serendipitously detected while the telescope was performing its primary mission.

OBS

resident space object; RSO: term and abbreviation officially approved by the Department of National Defence and the Canadian Forces.

French

Domaine(s)
  • Astronautique
  • Télédétection
OBS

objet spatial en orbite; OSO : terme et abréviation uniformisés par le ministère de la Défense nationale et les Forces canadiennes.

Spanish

Save record 1

Record 2 2007-01-31

English

Subject field(s)
  • Mathematical Geography
  • Spacecraft
  • Remote Sensing
DEF

A specially constructed and calibrated camera used to obtain geometrically accurate photographs for use in photogrammetric instruments.

OBS

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

French

Domaine(s)
  • Géographie mathématique
  • Engins spatiaux
  • Télédétection
DEF

Chambre de prise de vues spécialement construite pour la photogrammétrie et dont les caractéristiques géométriques sont obtenues en usine avec une grande précision et très bien connues de l'utilisateur, ce qui lui permet de déterminer l'orientement interne.

CONT

Les deux photographies sont prises à partir d'une chambre métrique dont les dimensions sont connues. Ainsi, quatre points de la chambre métrique visibles sur la photographie servent de repères. En admettant que chaque photographie forme un plan p, la perspective est formée par l'ensemble des rayons du faisceau perspectif qui partent de chaque point de la surface S du terrain et convergent vers le point de vue S.

OBS

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

Spanish

Campo(s) temático(s)
  • Geografía matemática
  • Naves espaciales
  • Teledetección
CONT

La cámara fotogramétrica, llamada también cámara métrica, es una cámara fotográfica cuyos elementos de orientación interior son conocidos y cuya calidad geométrica es tal, que se puede considerar como una proyección central ideal.

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