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FREQUENCY RELAY [6 records]

Record 1 2013-03-25

English

Subject field(s)
  • Internet and Telematics
  • Radio Broadcasting
CONT

What has made the new global radio stations possible is that, unlike old-fashioned wireless radio, the new radio stations broadcast their signals not over the airways but down the telephone lines. No costly radio transmitters and relay stations are needed; no licence is required for using the world's precious frequency spectrum. All it demands is a personal computer and a modem at the broadcasting station and, at the listening end, the same plus a pair of loud-speakers.

OBS

Global radio is the latest manifestation of the www. The key has been the development of a certain piece of software that allows a digital recording stored on a computer to be transmitted over the Internet and played instantly and continuously as it is received by the listener’s computer in real-time.

OBS

If you take a local FM station as the standard you will be disappointed with the broadcast quality of streaming audio received via the Web. But you will be favorable impressed if you compare it with a portable shortwave receiver.

OBS

web radio: The Translation Bureau recommends in its revised 2013 Linguistic Recommendation that “web” not be capitalized when it is part of a compound, whether the compound is written as two words or one, with or without a hyphen.

French

Domaine(s)
  • Internet et télématique
  • Radiodiffusion
OBS

radio Web : Le Bureau de la traduction préconise dans sa Recommandation linguistique révisée en 2013 la majuscule initiale lorsque «Web» est employé après un nom qu’il qualifie. Il est toujours invariable.

OBS

webradio : Le Bureau de la traduction préconise dans sa Recommandation linguistique révisée en 2013 la minuscule initiale lorsque «web» est utilisé comme préfixe pour former des termes dérivés.

Spanish

Save record 1

Record 2 2011-01-12

English

Subject field(s)
  • Road Traffic
  • Applications of Electronics
OBS

This consists of a loop and a variable condenser in an oscillating circuit. The frequency of the circuit is adjusted so that the circuit is in resonance with an oscillator of constant frequency. A vehicle over the detector loop alters its inductance, causing an alteration in frequency of the oscillating circuit. The difference in frequency between the constant oscillator and the circuit actuates another circuit which closes a relay.

French

Domaine(s)
  • Circulation routière
  • Applications de l'électronique

Spanish

Save record 2

Record 3 2009-07-09

English

Subject field(s)
  • Electrical Relays
DEF

The number of switching operations of a relay with electrical contact loading during which the relay remains operable.

CONT

A distinction is made in relay modules between mechanical and electrical endurance. The mechanical endurance defines the maximum number of operating cycles without contact loading while the electrical endurance describes the switching frequency at a maximum switching capacity for resistive load.

French

Domaine(s)
  • Relais (Distribution électrique)
CONT

Une grande endurance électrique qui permet de garantir une durée de vie d'au moins 25 ans.

Spanish

Save record 3

Record 4 2008-09-30

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Telecommunications Transmission
CONT

A satellite is a wireless receiver/transmitter that operates in orbit around the earth and acts as a microwave relay station, receiving signals sent from a ground-based station, amplifying them, and retransmitting them on a different frequency to another groundbased station.

OBS

radio relay; RR: term and abbreviation officially approved by the Department of National Defence and the Canadian Forces.

Key term(s)
  • radio relay station

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Transmission (Télécommunications)
DEF

Station réémettrice assurant le relayage d'un faisceau hertzien lorsque l'antenne de réception n'est pas en visibilité directe de l'antenne d'émission.

OBS

Dans le cas le plus fréquent d'un relais hertzien au sol, celui-ci comprend essentiellement un pylône ou une tour portant deux ou plusieurs antennes paraboliques et abritant les appareils de réception et réémission des signaux.

OBS

Peut être constitué par un satellite de télécommunications.

Key term(s)
  • station-relais

Spanish

Save record 4

Record 5 2001-04-01

English

Subject field(s)
  • Spacecraft
  • Telecommunications
  • Data Transmission
  • Information Processing (Informatics)
CONT

The Inter-Orbit Communication(IOC) instrument is a technological experiment designed to provide a pre-operational inflight test and demonstration of the main functions, services and equipment typical of those required for a data relay system, namely : bi-directional, end-to-end data transmission between the user spacecraft and a dedicated ground station via a relay satellite in the 20/30 GHz frequency band; tracking of a data relay satellite; tracking of a user spacecraft; ranging services for orbit determination of a user spacecraft via a relay satellite.

French

Domaine(s)
  • Engins spatiaux
  • Télécommunications
  • Transmission de données
  • Traitement de l'information (Informatique)

Spanish

Save record 5

Record 6 1994-12-19

English

Subject field(s)
  • Signals (Military)
  • Air Communications (Air Forces)
  • Radio Transmission and Reception
CONT

For a while, it appeared that satellite communications in the ultra-high frequency(UHF) band and terrestrial radio relay systems were the longawaited answer, but the tides soon reversed.

French

Domaine(s)
  • Transmissions de campagne (Militaire)
  • Communications aériennes (Forces aériennes)
  • Émission et réception radio
CONT

On a cru un moment que les télécommunications par satellites en bande UHF avec relais radio terrestres seraient la panacée mais on a bien vite déchanté.

Spanish

Save record 6

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