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IMAGEN RADAR [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2007-08-21

English

Subject field(s)
  • Remote Sensing
DEF

A group of characteristics that define the image of an object (shape, dimensions, distortions and deformations).

OBS

The shape and size of an image are determined by the viewing angle, the altitude, the platform position, etc.

OBS

radar image geometry: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Télédétection
DEF

Forme et dimension d'une image définie par l'angle de prise de vue, l'altitude, la position de la plateforme, etc.

OBS

géométrie de l'image radar : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Teledetección
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Record 2 2007-01-31

English

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

The angle defined by the incident radar beam and the vertical (normal) to the intercepting surface.

CONT

The incidence angle is commonly used to describe the angular relationship between the radar beam and the ground, surface layer or a target. A change of the radar illumination angle often affects the radar backscattering behaviour of a surface or target. The incidence angle changes across the radar image swath; it increases from near range to far range. In the case of satellite radar imagery, the change of incidence angle for flat terrain across the imaging swath tends to be rather small, usually on the order of several degrees. In the case of an inclined surface (slope), the local incidence angle is defined as the angle between the incident radar beam and a line that is normal to that surface. The local incidence angle determining, in part, the brightness, or image tone, for each picture element (pixel) and slope facet, is a key element in the prominent rendition of terrain features in radar imagery.

OBS

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

French

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

Angle, en un point du sol, entre la verticale et la direction du satellite.

OBS

L'angle d'incidence détermine l'apparence de la cible sur une image. À chaque pixel d'une image correspond un angle d'incidence local qui varie en fonction des cibles au sol : arbres, rochers, édifices etc., d'où des variations de l'intensité du pixel.

OBS

angle d'incidence : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

PHR

Angle d'incidence élevée, favorable, variable.

PHR

Signal HH à faible angle d'incidence.

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Naves espaciales
  • Teledetección
CONT

El ángulo de incidencia describe la relación entre la iluminación del radar y la superficie de tierra. Específicamente, es el ángulo entre el rayo del radar y un objeto en la superficie. El ángulo de incidencia ayuda a determinar el aspecto de un objeto en la imagen.

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Record 3 2007-01-31

English

Subject field(s)
  • Remote Sensing
DEF

A two-dimensional image recorded by an imaging radar system.

OBS

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

French

Domaine(s)
  • Télédétection
DEF

Image bidimensionnelle obtenue au moyen d'un radar imageur.

OBS

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

PHR

Image radar HH, HV, VH, VV.

Spanish

Campo(s) temático(s)
  • Teledetección
CONT

Las imágenes radar ofrecen la posibilidad de cartografiar zonas del planeta que las nubes hacen inaccesibles para los satélites ópticos y permiten medir con gran precisión los cambios de la naturaleza de un terreno o sus movimientos.

Save record 3

Record 4 2004-10-25

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Weather Stations and Meteorological Instruments and Equipment
DEF

Radar display, in the form of a vertical cross-section, of the meteorological targets encountered in a vertical plane having a specific azimuth.

Key term(s)
  • range height indicator

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Stations, instruments et équipements météorologiques
DEF

Image radar, sous forme d'une coupe verticale, de cibles météorologiques rencontrées dans un plan vertical d'azimut déterminé.

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Estaciones, instrumentos y equipos meteorológicos
DEF

Imagen radar, en forma de sección transparente vertical, de blancos meteorológicos encontrados en un plano vertical de acimut determinado.

Save record 4

Record 5 2002-02-26

English

Subject field(s)
  • Air Navigation Aids
  • Flight Instruments and Equipment (Aeroindustry)
DEF

An electronically generated display on which navigation information and stored mission and procedural data can be presented. Radar information and television picture can also be displayed either as a map overlay or as a separate image.

OBS

HSD: Paper read by Jacob Eyth, Naval Air Development Center, at the "45th Agard Avionics Symposium", Ottawa, 1983.

OBS

horizontal situation display: term and definition standardized by NATO.

French

Domaine(s)
  • Aides à la navigation aérienne
  • Instruments et équipement de bord (Constructions aéronautiques)
DEF

Visualisation élaborée par un dispositif électronique des informations sur la navigation et des données enregistrées relatives à la mission et aux procédures. Peuvent aussi figurer une information radar et une image de télévision, soit comme carte superposée, soit comme image séparée.

OBS

visualisation de la situation horizontale : terme et définition normalisés par l'OTAN.

Spanish

Campo(s) temático(s)
  • Ayuda para la navegación aérea
  • Instrumentos y equipo de vuelo (Industria aeronáutica)
DEF

Una presentación generada electrónicamente en la que puede aparecer información sobre la navegación, datos almacenados de las misiones y procedimientos. Pueden representarse también información procedente del radar e imágenes de televisión ya sea en forma de mapa o en una imagen separada.

Save record 5

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