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The Government of Canada’s terminology and linguistic data bank.
FAISCEAU DIRECTIONNEL [1 record]
Record 1 - internal organization data 2023-07-31
Record 1, English
Record 1, Subject field(s)
- Sonar and Underwater Detection (Military)
- Radar, Radio Guidance and Goniometry
- Acoustics (Physics)
Record 1, Main entry term, English
- directional beam
1, record 1, English, directional%20beam
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
One radar that has gained popularity due to its ability to scan a large field of view is the phased array radar (PAR). [One] traditional PAR [is] known as a passive electronically scanned array (PESA). In the PESA, a single transmitter generates a high-powered signal that is transmitted through individual antenna elements. Each transmit element has an associated computer-controlled phase shifter ... that creates a directional beam by adding a phase shift to the signal from each element. The narrow beam is sequentially steered through the field of view by changing the phase at each element. 2, record 1, English, - directional%20beam
Record 1, French
Record 1, Domaine(s)
- Sonar et détection sous-marine (Militaire)
- Radar, radioguidage et radiogoniométrie
- Acoustique (Physique)
Record 1, Main entry term, French
- faisceau directionnel
1, record 1, French, faisceau%20directionnel
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Un radar qui a gagné en popularité en raison de sa capacité à balayer un grand champ de vision est le radar à commande de phase. [...] un radar à commande de phase traditionnelle [est appelé] ensemble passif de balayage électronique (PESA). Dans le PESA, un seul émetteur génère un signal de grande puissance qui est transmis par des éléments d'antenne individuels. Chaque élément d'émission est associé à un déphaseur [...] commandé par ordinateur qui crée un faisceau directionnel en ajoutant un décalage de phase au signal de chaque élément. Le faisceau étroit est dirigé séquentiellement à travers le champ de vision en changeant la phase à chaque élément. 2, record 1, French, - faisceau%20directionnel
Record 1, Spanish
Record 1, Textual support, Spanish
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