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GUIAONDAS [4 records]

Record 1 2021-02-15

English

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

A long-range radar in which the transmitted and reflected beams are bounced off the ionosphere layers to achieve ranges far beyond line of sight.

OBS

over-the-horizon radar; OTHR: designations standardized by NATO.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
DEF

Radar basé à terre dont la portée au sol est supérieure à la limite théorique de portée optique définie par sa distance à la ligne d'horizon en raison de la courbure du globe terrestre.

OBS

radar transhorizon; OTHR : désignations normalisées par l'OTAN.

Key term(s)
  • radar trans-horizon

Spanish

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

Radar transhorizonte : el que, gracias al empleo de ondas electromagnéticas que se propagan a modo de guiaondas entre la Tierra y la econosfera, permite detectar objetos situados más allá del horizonte.

Save record 1

Record 2 2009-04-23

English

Subject field(s)
  • Telecommunications Transmission
DEF

A signal transmission in both directions along an optical waveguide or other component.

French

Domaine(s)
  • Transmission (Télécommunications)

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
DEF

Transmisión de señales en ambas direcciones a lo largo de un guiaondas óptico u otro componente.

Save record 2

Record 3 2009-04-07

English

Subject field(s)
  • Radio Waves
  • Waveguides
  • Measurements of Electricity
CONT

In microcalorimeters the effective efficiency of an inserted bolometer mount, which functions as the calorimeter load, is measured. After calibration, this bolometer mount is used as a secondary standard for power measurements.

French

Domaine(s)
  • Ondes radioélectriques
  • Guides d'ondes
  • Mesures de grandeurs électriques

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
  • Guías de ondas
  • Medida de la electricidad
DEF

Terminación de guíaondas en la cual se incorpora un bolómetro con el fin de efectuar medidas de potencia y de razón de ondas estacionarias.

Save record 3

Record 4 2001-07-18

English

Subject field(s)
  • Air Transport
  • Radar, Radio Guidance and Goniometry
  • Waveguides
DEF

A system for the transmission of electromagnetic energy by a wave not of TEM type. It may, for example, consist of a metal tube, a dielectric rod or tube, or a single wire.

French

Domaine(s)
  • Transport aérien
  • Radar, radioguidage et radiogoniométrie
  • Guides d'ondes
DEF

Système servant à transmettre l'énergie électromagnétique, sauf en mode TEM, p. ex., par un tube de métal, une tige, un tube diélectrique ou un fil simple.

Spanish

Campo(s) temático(s)
  • Transporte aéreo
  • Guía radárica, radioguía y radiogoniometría
  • Guías de ondas
DEF

Línea de transmisión que consta de un sistema de límites materiales o de estructuras para guiar las ondas electromagnéticas.

OBS

La forme más común de guiaondas es un conducto metálico de sección circular, cuadrada o elíptica.

Save record 4

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