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INSTANTANEOUS INDICATION [5 records]

Record 1 2016-02-25

English

Subject field(s)
  • Meteorology
CONT

vertical wind profile: A series of wind direction and wind speed measurements taken at various levels in the atmosphere that show the wind structure of the atmosphere over a specific location. Obtained through a rawinsonde sounding or comparable method, and exhibited in a skew t-log p diagram

CONT

By "structure" is meant the detailed behaviour of the wind, including the variations of instantaneous and mean wind speeds with altitude and of the horizontal distribution of the wind. Measurements of the components of the wind structure give an indication of its distribution over the area which might be swept by a wind turbine.

French

Domaine(s)
  • Météorologie
CONT

Le vent a des effets importants sur chacun de ces aspects de la construction [...] On décrira brièvement dans le présent Digeste la cause et la structure du vent et on expliquera comment cette structure complique la détermination d'une vitesse de vent raisonnable pour les calculs. Par contre, on ne décrira pas les mouvements détaillés du vent qui souffle sur les maisons.

Spanish

Save record 1

Record 2 2010-08-11

English

Subject field(s)
  • Remote Sensing
DEF

The smallest usable element of an image.

CONT

For applications such as cartography, where it is important to precisely locate the correct position of features such as roads and boundaries, it has been difficult or impossible to evaluate the relative performance of different sensors through the standard specifications of IFOV [Instantaneous Field of View] or spatial resolution. In an effort to overcome this difficulty, a second concept... labeled spatial effective resolution element(SERE), is evolving. Although this concept is not fully developed, it provides an indication of the factors to be taken into account when attempting to correlate different systems. These factors include : surface area on the Earth, or its equivalent on the image plane, the IFOV and the spread function resulting from optical diffraction and aberrations as well as electronic lag or smear. Essentially, the concept of SERE is an attempt to determine the IFOV of the hypothetical, unsampled(ideal) scanning system which would yield performance equivalent to that of any given real sensor system. Whether such an equivalence exists is yet to be determined.

OBS

spatial effective resolution element; SERE: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Télédétection
DEF

Plus petit élément utilisable de l'image.

OBS

élément de résolution spatiale efficace : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Save record 2

Record 3 1998-10-22

English

Subject field(s)
  • Measuring Instruments
DEF

A measuring instrument in which an instantaneous indication(that is to say which corresponds to an instantaneous value of the quantity) can be retained, even where the values of the quantity vary over a period of time.

French

Domaine(s)
  • Appareils de mesure
DEF

Appareil mesureur dans lequel une indication instantanée (c'est-à-dire correspondant à une valeur instantanée de la grandeur) peut être maintenue, même en cas de variation dans le temps des valeurs de cette grandeur.

OBS

appareil mesureur à maintien d'indication : recommandation internationale de la Troisième Conférence Internationale de Métrologie Légale, 1968.

Spanish

Save record 3

Record 4 1998-10-22

English

Subject field(s)
  • Metrology and Units of Measure
DEF

Value of a quantity measured at a given moment.

CONT

measuring instrument with retained indication : A measuring instrument in which an instantaneous indication(that is to say which corresponds to an instantaneous value of the quantity) can be retained, even where the values of the quantity vary over a period of time.

French

Domaine(s)
  • Unités de mesure et métrologie
DEF

Valeur d'une grandeur mesurée à un instant considéré.

CONT

appareil mesureur à maintien d'indication : Appareil mesureur dans lequel une indication instantanée (c'est-à-dire correspondant à une valeur instantanée de la grandeur) peut être maintenue, même en cas de variation dans le temps des valeurs de cette grandeur.

OBS

valeur instantanée d'une grandeur : recommandation internationale de la Troisième Conférence Internationale de Métrologie Légale, 1968.

Spanish

Save record 4

Record 5 1993-05-28

English

Subject field(s)
  • Metrology and Units of Measure
CONT

measuring instrument with retained indication : A measuring instrument in which an instantaneous indication(that is to say which corresponds to an instantaneous value of the quantity) can be retained, even where the values of the quantity vary over a period of time.

French

Domaine(s)
  • Unités de mesure et métrologie
CONT

appareil mesureur à maintien d'indication : Appareil mesureur dans lequel une indication instantanée (c'est-à-dire correspondant à une valeur instantanée de la grandeur) peut être maintenue, même en cas de variation dans le temps des valeurs de cette grandeur.

Spanish

Save record 5

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