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MISE FAISCEAUX [10 records]

Record 1 2019-06-06

English

Subject field(s)
  • Computer Mathematics
  • Radio Waves
  • Acoustics (Physics)
CONT

The original algorithms rely solely on spectral information and do not use spatial information; this usage is normally justified in subpixel target detection, since the target size is smaller than the size of a pixel. However ... the background (and the false alarms) may be spatially correlated and the point spread function can distribute the energy of a point target between several neighboring pixels, the implementation of spatial filtering algorithms considerably improved target detection.

Key term(s)
  • beam forming algorithm
  • beamshaping algorithm

French

Domaine(s)
  • Mathématiques informatiques
  • Ondes radioélectriques
  • Acoustique (Physique)
CONT

La reproduction réalisée à partir de l'algorithme de formation de voies apparaît plutôt comme une reproduction d'environnement sonore que comme de la reproduction de champ.

Spanish

Save record 1

Record 2 2019-06-06

English

Subject field(s)
  • Radio Waves
  • Acoustics (Physics)
DEF

A signal processing technique used in sensor arrays for directional signal transmission or reception.

CONT

Beamforming can be used for radio or sound waves. It has found numerous applications in radar, sonar, seismology, wireless communications, radio astronomy, acoustics and biomedicine.

Key term(s)
  • beam forming
  • beamshaping

French

Domaine(s)
  • Ondes radioélectriques
  • Acoustique (Physique)
DEF

Technique de traitement du signal utilisée dans les réseaux d'antennes et de capteurs pour l'émission ou la réception directionnelle de signaux.

CONT

Le principe de la formation de voies peut s'exprimer dans le domaine temporel ou dans le domaine fréquentiel dans des formulations équivalentes.

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
  • Acústica (Física)
DEF

Control del perfil de un haz de antena, mediante el diseño de las superficies de la antena o mediante el control de la puesta en fase de las señales radiadas desde esa antena.

Save record 2

Record 3 2019-05-24

English

Subject field(s)
  • Sonar and Underwater Detection (Military)
  • Radar, Radio Guidance and Goniometry
OBS

Delay-and-sum beamforming uses the fact that the delay for the sound wave to propagate from one microphone in the array to the next can be empirically measured or calculated from the array geometry.

French

Domaine(s)
  • Sonar et détection sous-marine (Militaire)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 3

Record 4 - external organization data 2004-01-23

English

Subject field(s)
  • Physics
  • Compartment - Canadian Nuclear Safety Commission
CONT

In its application, CLSI [Canadian Light Source Incorporated] submitted only part of the information required in support of the proposed beamline commissioning.

French

Domaine(s)
  • Physique
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Dans la présente demande, CLS [Centre canadien de rayonnement synchrotron incorporé] n'a soumis qu'une partie des renseignements exigés à l'appui du projet de mise en service des faisceaux.

Spanish

Save record 4

Record 5 2003-08-29

English

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

One of the key components in multi-beam systems is a beam forming network (BFN), which controls the phase and amplitude of the signal fed to the radiator elements.

French

Domaine(s)
  • Émission et réception radio
  • Transmission (Télécommunications)
  • Radar, radioguidage et radiogoniométrie
CONT

La fonction du réseau conformateur de faisceau est de fournir la distribution appropriée de phase et d'amplitude à chaque cornet d'un réseau de cornets (sources d'illumination d'une antenne).

Spanish

Save record 5

Record 6 1993-02-05

English

Subject field(s)
  • Aeronautical Engineering and Maintenance
  • Insulated Transmission Cabling
OBS

bundle: term standardized by ISO.

French

Domaine(s)
  • Aérotechnique et maintenance
  • Canalisations isolées (Électricité)
OBS

mise en faisceaux (de câbles pour aéronef) : terme normalisé par l'ISO.

Spanish

Save record 6

Record 7 1989-12-04

English

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

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 7

Record 8 1989-10-24

English

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

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 8

Record 9 1989-02-13

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Radio Waves
  • Computer Mathematics
CONT

We're exploring digital beam forming as a technique to reduce the cost and increase the capabilities of electronic scanning antennas.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Ondes radioélectriques
  • Mathématiques informatiques

Spanish

Save record 9

Record 10 1986-02-28

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Lasers and Masers
  • Optics

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Masers et lasers
  • Optique

Spanish

Save record 10

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