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ANTENNA POINTING [7 records]

Record 1 2007-08-14

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Transmission
CONT

Because of the two different types of antennas at Goldstone, JPL [Jet Propulsion Laboratory] engineers developed a digital encoding and computing system that converted antenna-pointing data from one antenna site and coordinate system to the other.

Key term(s)
  • antenna pointing data

French

Domaine(s)
  • Émission et réception radio
  • Transmission (Télécommunications)

Spanish

Save record 1

Record 2 2003-04-16

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications

French

Domaine(s)
  • Émission et réception radio
  • Télécommunications
DEF

Action d'amener l'axe électrique d'une antenne directive dans une direction déterminée au résultat de cette action.

CONT

Ces valeurs sont données pour un pointage d'antenne vers le satellite Eutelsat W2.

Spanish

Save record 2

Record 3 2003-04-16

English

Subject field(s)
  • Radio Transmission and Reception
  • Radio Broadcasting
  • Telecommunications Transmission
  • Remote Sensing
CONT

Many of the antennas on board communications spacecraft in geostationary orbit are fixed. Some applications for antennas require the ability to point at different areas. These antennas could be used to support a developing regional communication system after a natural disaster or to support a mobile activity. A new spacecraft antenna pointing mechanism concept is to be investigated. The mechanism could use actuators or similar devices which are configured as a "plunger" or a single axis rotary device. The aim of the project is to configure the pointing mechanism to ensure it is capable of pointing a one metre diameter antenna, with full earth coverage.

French

Domaine(s)
  • Émission et réception radio
  • Radiodiffusion
  • Transmission (Télécommunications)
  • Télédétection

Spanish

Save record 3

Record 4 2003-04-16

English

Subject field(s)
  • Satellite Telecommunications
  • Spacecraft
Key term(s)
  • antenna pointing mechanism sub-system

French

Domaine(s)
  • Télécommunications par satellite
  • Engins spatiaux

Spanish

Save record 4

Record 5 1980-01-30

English

Subject field(s)
  • Telecommunications Facilities
  • Radio Transmission and Reception
CONT

... the antenna pointing system is particularly important for the uninterrupted and reliable operation of earth stations. The facilities available for Intersputnik stations provide for three modes of operation: ...

French

Domaine(s)
  • Installations de télécommunications
  • Émission et réception radio
CONT

[...] le système de pointage joue un rôle particulièrement important si l'on veut que ces stations fonctionnent en permanence de manière fiable. Les systèmes de poursuite dont sont équipées les stations [...] se prêtent à trois modes de fonctionnement [...]

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Air Transport

French

Domaine(s)
  • Transport aérien

Spanish

Save record 6

Record 7 1975-03-11

English

Subject field(s)
  • Satellite Telecommunications
  • Radio Transmission and Reception
CONT

The following factors ... may assume considerable importance in particular situations: accidental variation of earth-station antenna pointing

French

Domaine(s)
  • Télécommunications par satellite
  • Émission et réception radio
CONT

Les facteurs ci-après [...] peuvent avoir une importance considérable dans certains cas particuliers: variation accidentelle du pointage de l'antenne d'une station terrienne

Spanish

Save record 7

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