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REFLECTION LOSS [11 records]

Record 1 2021-07-28

English

Subject field(s)
  • Optical Telecommunications
  • Optics
CONT

Optical path loss is used to measure the attenuation of the transmitted beams, attributed to propagation in the free space and reflection components.

French

Domaine(s)
  • Télécommunications optiques
  • Optique

Spanish

Save record 1

Record 2 2019-10-30

English

Subject field(s)
  • Acoustics (Physics)
  • Hydrology and Hydrography
  • Scientific Measurements and Analyses
  • Commercial Fishing
CONT

The propagation characteristics of ultrasound in sea water and its ultrasonic reflection loss on the sea bottom or on fish schools must be studied for both the design and the practical operation of echo sounders, fish finders... The propagation attenuation in a direction vertical to the sea surface is the result mainly of spherical divergence, but the attenuation in a horizontal direction is caused partly by absorption as well. This absorption becomes larger at higher frequencies...

French

Domaine(s)
  • Acoustique (Physique)
  • Hydrologie et hydrographie
  • Mesures et analyse (Sciences)
  • Pêche commerciale
OBS

Des ultrasons dans l'eau.

Spanish

Campo(s) temático(s)
  • Acústica (Física)
  • Hidrología e hidrografía
  • Medición y análisis (Ciencias)
  • Pesca comercial
Save record 2

Record 3 2017-04-20

English

Subject field(s)
  • Photoelectricity and Electron Optics
  • Optical Telecommunications
DEF

Transparent... material, that is,... light-transmitting material with a refractive index such as that when used in intimate contact with other transparent materials, radiant power loss is reduced at interfaces during reflection, increasing transmission, avoiding scattering and reducing dispersion.

French

Domaine(s)
  • Photo-électricité et optique électronique
  • Télécommunications optiques
DEF

Substance appliquée à l'extrémité de deux fibres optiques de raccordement et dont l'indice de réfraction est quasi-identique à celui du cœur de ces fibres.

Spanish

Save record 3

Record 4 2013-03-04

English

Subject field(s)
  • PAJLO
  • Property Law (common law)
CONT

The insurance principle... is that, if through human frailty(in the Registry), the mirror fails to give an absolutely correct reflection of the title and a flaw appears, anyone who thereby suffers loss must be put in the same position, so far as money can do it, as if the reflection were a true one.(Simpson, p. 22)

French

Domaine(s)
  • PAJLO
  • Droit des biens et de la propriété (common law)
OBS

principe de l'assurance : terme normalisé par le Comité de normalisation dans le cadre du Programme national de l'administration de la justice dans les deux langues officielles (PAJLO).

Spanish

Save record 4

Record 5 2010-08-06

English

Subject field(s)
  • Telecommunications Transmission
  • Measurements of Electricity
OBS

reflection loss : term officially approved by the Electronics and Telecommunications Terminology Committee.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Mesures de grandeurs électriques
OBS

perte due aux réflexions : terme uniformisé par le Comité d’uniformisation des termes de l’électronique et des télécommunications (CUTEL).

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
  • Medida de la electricidad
DEF

Debilitamiento que proviene de la reflexión de una parte de una señal en un punto de la línea de transmisión.

Save record 5

Record 6 2004-05-06

English

Subject field(s)
  • Property Law (common law)
CONT

The insurance principle... is that, if through human frailty(in the Registry), the mirror fails to give an absolutely correct reflection of the title and a flaw appears, anyone who thereby suffers loss must be put in the same position, so far as money can do it, as if the reflection were a true one.(Rowton Simpson, 1976, p. 22).

French

Domaine(s)
  • Droit des biens et de la propriété (common law)
OBS

principe de l'assurance : terme normalisé par le Comité de normalisation dans le cadre du Programme national de l'administration de la justice dans les deux langues officielles (PAJLO).

Spanish

Save record 6

Record 7 2003-12-22

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Photography
DEF

A very thin transparent coating-usually of metallic fluorides-applied by vacuum evaporation on to glass surfaces to reduce light loss by surface reflection.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Photographie
DEF

Élimination de la lumière diffuse obtenue en couchant sur les lentilles des matériaux antiréfléchissant (fluorure de métal léger), appliqués sous vide.

OBS

Ce traitement permet de réduire voire de faire disparaître la réflexion qui se produit naturellement sur toute surface air/verre.

Spanish

Save record 7

Record 8 2000-11-14

English

Subject field(s)
  • Electromagnetic Radiation
DEF

The losses that are incurred at the terminus interface which are due to refractive index differences.

Key term(s)
  • Fresnel reflection losses

French

Domaine(s)
  • Rayonnements électromagnétiques
Key term(s)
  • pertes par réflexion de Fresnel

Spanish

Save record 8

Record 9 1991-05-13

English

Subject field(s)
  • Computer Graphics

French

Domaine(s)
  • Infographie

Spanish

Save record 9

Record 10 1980-07-15

English

Subject field(s)
  • Photography
OBS

A lens whose air-glass surfaces have been coated with a thin transparent film of such index of refraction as to minimize light loss by reflection.

French

Domaine(s)
  • Photographie
OBS

Objectif dont les surfaces air-verre ont été recouvertes d'une pellicule transparente ayant un indice de réfraction propre à diminuer les pertes de lumière par réflexion.

Spanish

Save record 10

Record 11 1979-11-08

English

Subject field(s)
  • Optics
  • Photography
DEF

A number that is similar to the f-number but takes into account the amount of light actually transmitted by a lens after loss by absorption and reflection and that equals the f-number divided by the square root of the transmittance.

French

Domaine(s)
  • Optique
  • Photographie
DEF

Caractéristique d'un objectif, indiquant, avec une notation analogue à celle du nombre d'ouverture, le quotient du nombre d'ouverture par la racine carrée de la transmittance.

OBS

Par analogie avec nombre d'ouverture et sous toutes réserves.

Spanish

Save record 11

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