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ANGULAR TRAVEL [6 records]
Record 1 - internal organization data 2011-09-23
Record 1, English
Record 1, Subject field(s)
- Calculating Procedures (Mathematics)
- Nuclear Physics
Record 1, Main entry term, English
- ray effect
1, record 1, English, ray%20effect
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Ray effects. An artefact related to the method of discrete ordinates, known as the “ray effect, ” is illustrated … For a two-dimensional case, which is easier to represent, we have considered the problem of a point source in a purely absorbent medium. The arrows represent the directions of the discrete ordinates, and the squares represent the meshing of the spatial discretisation. Because neutrons are obliged to travel along the discrete directions, we note that only the shaded mesh elements will “see” a certain neutron flux, since the others cannot receive any neutrons. The resulting lines are clearly visible on the diagram. In practical cases, the artefact is never so clear, since the sources are spread out and there is scattering, but it can still be identified. The only way to improve this situation is to refine the angular meshing. 1, record 1, English, - ray%20effect
Record 1, French
Record 1, Domaine(s)
- Procédés de calcul (Mathématiques)
- Physique nucléaire
Record 1, Main entry term, French
- effet de raies
1, record 1, French, effet%20de%20raies
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Effets de raies. Un artefact lié à la méthode des ordonnées discrètes, connu sous le terme d'«effet de raies» est illustré […] Pour un cas à deux dimensions, plus facile à représenter, nous avons considéré le cas d’une source ponctuelle, dans un milieu purement absorbant […] Puisque les neutrons sont assujettis à voyager selon les directions discrètes […] seules les mailles grisées «verront» un certain flux neutronique, les autres ne pouvant pas recevoir de neutrons. [Des] raies […] en résultent […] 2, record 1, French, - effet%20de%20raies
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-08-23
Record 2, English
Record 2, Subject field(s)
- Optics
- Lasers and Masers
- Aircraft Piloting and Navigation
- Ship Piloting
Record 2, Main entry term, English
- optical path
1, record 2, English, optical%20path
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
... the ring laser gyro concept is based on the principles of general relativity, which predict that the distance around a closed optical path in a rotating frame of reference depends on the direction the path is traversed. A beam of light traveling around the path in the direction of rotation will have to travel farther than one traveling in the opposite direction of rotation, and the pathlength difference can be used as a measure of angular rotation. 2, record 2, English, - optical%20path
Record 2, French
Record 2, Domaine(s)
- Optique
- Masers et lasers
- Pilotage et navigation aérienne
- Pilotage des navires
Record 2, Main entry term, French
- trajet optique
1, record 2, French, trajet%20optique
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- circuit optique 2, record 2, French, circuit%20optique
correct, masculine noun
- trajet 3, record 2, French, trajet
correct, masculine noun
- chemin optique 4, record 2, French, chemin%20optique
correct, masculine noun
- trajet des ondes 5, record 2, French, trajet%20des%20ondes
masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Application optique dans un domaine inattendu, la navigation inertielle, le gyrolaser est un nouveau gyromètre plus fiable que son prédécesseur mécanique, et particulièrement bien adapté aux conditions d'utilisation plus dures de l'avionique militaire et spatiale. [...] Principe. Effet Sagnac. L'interféromètre de Sagnac met en jeu, sur un trajet optique fermé, deux rayons lumineux se propageant en sens contraire. La rotation du bloc optique ainsi constitué introduit alors une différence de phase. Les calculs font appel à la relativité générale, et prouvent que le calcul classique est une bonne approximation. On montre ainsi que l'écart temporel DT est proportionnel à la vitesse de rotation W. La différence de chemin optique DL = c DT entre les deux rayons contrarotatifs [s'exprime dans une formule x]. 3, record 2, French, - trajet%20optique
Record number: 2, Textual support number: 2 CONT
Le gyrolaser est un oscillateur double constitué d'un laser à gaz. Sa cavité résonnante, triangulaire ou carrée, et dont les sommets sont matérialisés par des miroirs, contient du plasma (hélium - néon). Elle est parcourue par les ondes, de telle sorte que le chemin optique parcouru par les ondes soit multiple de leur longueur d'onde. 6, record 2, French, - trajet%20optique
Record number: 2, Textual support number: 1 PHR
Trajet optique horaire, anti-horaire. 3, record 2, French, - trajet%20optique
Record number: 2, Textual support number: 2 PHR
Supplément, défaut de trajet optique. 3, record 2, French, - trajet%20optique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-06-21
Record 3, English
Record 3, Subject field(s)
- Lasers and Masers
- Optics
- Flight Instruments and Equipment (Aeroindustry)
Record 3, Main entry term, English
- closed optical path
1, record 3, English, closed%20optical%20path
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- closed path 1, record 3, English, closed%20path
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
... the ring laser gyro concept is based on the principles of general relativity, which predict that the distance around a closed optical path in a rotating frame of reference depends on the direction the path is traversed. A beam of light traveling around the path in the direction of rotation will have to travel farther than one traveling in the opposite direction of rotation, and the pathlength difference can be used as a measure of angular rotation. 1, record 3, English, - closed%20optical%20path
Record number: 3, Textual support number: 1 OBS
See record "optical path." 2, record 3, English, - closed%20optical%20path
Record 3, French
Record 3, Domaine(s)
- Masers et lasers
- Optique
- Instruments et équipement de bord (Constructions aéronautiques)
Record 3, Main entry term, French
- trajet optique fermé
1, record 3, French, trajet%20optique%20ferm%C3%A9
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- chemin optique fermé 2, record 3, French, chemin%20optique%20ferm%C3%A9
correct
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
L'interféromètre de Sagnac met en jeu, sur un trajet optique fermé, deux rayons lumineux se propageant en sens contraire. La rotation du bloc optique ainsi constitué introduit alors une différence de phase. Les calculs font appel à la relativité générale, et prouvent que le calcul classique est une bonne approximation. 1, record 3, French, - trajet%20optique%20ferm%C3%A9
Record number: 3, Textual support number: 1 OBS
Voir la fiche «trajet optique». 2, record 3, French, - trajet%20optique%20ferm%C3%A9
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-01-30
Record 4, English
Record 4, Subject field(s)
- Air Forces
- Flight Instruments and Equipment (Aeroindustry)
Record 4, Main entry term, English
- angular travel computer
1, record 4, English, angular%20travel%20computer
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, French
Record 4, Domaine(s)
- Forces aériennes
- Instruments et équipement de bord (Constructions aéronautiques)
Record 4, Main entry term, French
- calculateur de déplacement angulaire
1, record 4, French, calculateur%20de%20d%C3%A9placement%20angulaire
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2001-01-30
Record 5, English
Record 5, Subject field(s)
- Ballistics
Record 5, Main entry term, English
- angular travel method
1, record 5, English, angular%20travel%20method
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
Method of calculating firing data based on the rate of angular travel of the target in direction and elevation. 2, record 5, English, - angular%20travel%20method
Record 5, French
Record 5, Domaine(s)
- Balistique
Record 5, Main entry term, French
- méthode de déplacement angulaire
1, record 5, French, m%C3%A9thode%20de%20d%C3%A9placement%20angulaire
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1976-06-19
Record 6, English
Record 6, Subject field(s)
- Telecommunications
Record 6, Main entry term, English
- angular travel 1, record 6, English, angular%20travel
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, French
Record 6, Domaine(s)
- Télécommunications
Record 6, Main entry term, French
- parcours angulaire
1, record 6, French, parcours%20angulaire
masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record 6, Spanish
Record 6, Textual support, Spanish
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