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HORLOGE REFERENCE [7 records]
Record 1 - internal organization data 2020-01-21
Record 1, English
Record 1, Subject field(s)
- Atomic Physics
- Clocks, Watches and Bells
- Telecommunications
Record 1, Main entry term, English
- atomic clock
1, record 1, English, atomic%20clock
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
[A] clock device that uses a hyperfine transition frequency in the microwave [region] or [an] electron transition frequency in the optical or ultraviolet region. 2, record 1, English, - atomic%20clock
Record number: 1, Textual support number: 1 CONT
In an atomic clock, the frequency of the quartz oscillator is transformed into a frequency that is applied to a collection of atoms. 3, record 1, English, - atomic%20clock
Record 1, French
Record 1, Domaine(s)
- Physique atomique
- Horlogerie et sonnerie
- Télécommunications
Record 1, Main entry term, French
- horloge atomique
1, record 1, French, horloge%20atomique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
[Horloge] qui utilise la pérennité et l’immuabilité de la fréquence du rayonnement électromagnétique émis par un électron lors du passage d’un niveau d’énergie à un autre pour assurer l’exactitude et la stabilité du signal oscillant qu’elle produit. 2, record 1, French, - horloge%20atomique
Record number: 1, Textual support number: 1 CONT
Le principe de fonctionnement d’une horloge atomique repose sur l'asservissement de la fréquence d’un oscillateur sur une fréquence de référence absolue correspondant à la fréquence de transition entre deux états quantiques d’un atome, d’un ion ou d’une molécule. 3, record 1, French, - horloge%20atomique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-02-12
Record 2, English
Record 2, Subject field(s)
- Orbital Stations
- Research Experiments in Space
Record 2, Main entry term, English
- ACES mission
1, record 2, English, ACES%20mission
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The Centre national d'études spatiales (CNES) is developing an atomic clock of unequaled precision, which will be launched in 2003 aboard the International Space Station (ISS). The PHARAO clock (Cooled Atom In-Orbit Atomic Clock Project) ... uses cooled cesium atoms in order to reach an accuracy and stability 10 to 100 times higher than any other high-performance existing calibrating clocks. The Cesium atoms are thrown on a free flight in a cavity enabling interaction with a radio-frequency field. They then transfer their intrinsic accuracy and stability qualities to the piezoelectric oscillator. The lack of gravity increases the time in which the atoms interact with the piezoelectric oscillator, which then increases the resolution and accuracy of the clock by a 10 factor. PHARAO will belong to ESA's ACES (Atomic Clock Ensemble in Space) payload within the frame of one of its ISS program. The ACES mission will be divided in two parts. The first one, which should last six months, will mostly focus on the PHARAO clock performance. The second part of the mission will last 12 months and will allow the international scientific community to use the clock for specific experiments (clocks' synchronization, General Relativity tests, geodesy, etc.). 2, record 2, English, - ACES%20mission
Record number: 2, Textual support number: 1 OBS
ACES mission: term officially approved by the International Space Station official approval Group (ISSOAG). 3, record 2, English, - ACES%20mission
Record 2, French
Record 2, Domaine(s)
- Stations orbitales
- Travaux de recherche dans l'espace
Record 2, Main entry term, French
- mission ACES
1, record 2, French, mission%20ACES
correct, feminine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Les études sur les horloges à atomes froids et leurs implications en physique fondamentale et en métrologie temps/fréquences constituent des thèmes majeurs du Département «SYstèmes de Référence Temps Espace»(SYRTE) de l'Observatoire de Paris(actuellement laboratoire Systèmes de Références Spatio-Temporels) et en particulier du Laboratoire primaire du Temps et des Fréquences créé avec le Bureau National de métrologie. La mission ACES(Atomic Clock Ensemble in Space) de l'Agence Spatiale Européenne apportera une contribution essentielle dans ces domaines. Parmi les objectifs scientifiques de la mission ACES, figurent la comparaison de fréquence de PHARAO, horloge spatiale à atomes froids, avec un ensemble d’horloges à atomes froids au sol, la détermination de l'exactitude de l'horloge spatiale et la recherche d’une éventuelle dérive de la constante de structure fine. Avec ses trois fontaines à atomes froids de césium et de rubidium, le laboratoire temps/fréquence jouera un rôle clé dans les comparaisons de fréquences. 2, record 2, French, - mission%20ACES
Record number: 2, Textual support number: 1 OBS
mission ACES : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI). 3, record 2, French, - mission%20ACES
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-09-26
Record 3, English
Record 3, Subject field(s)
- Telecommunications
Record 3, Main entry term, English
- coordinate clock
1, record 3, English, coordinate%20clock
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A clock in a set of clocks distributed over a spatial region and synchronized to a reference clock at a specified location (spatial origin). 1, record 3, English, - coordinate%20clock
Record 3, French
Record 3, Domaine(s)
- Télécommunications
Record 3, Main entry term, French
- horloge coordonnée
1, record 3, French, horloge%20coordonn%C3%A9e
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Horloge appartenant à une série d’horloges réparties dans une région géographique et synchronisée avec une horloge de référence située à un emplacement déterminé(ou origine spatiale). 1, record 3, French, - horloge%20coordonn%C3%A9e
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Telecomunicaciones
Record 3, Main entry term, Spanish
- reloj coordinado
1, record 3, Spanish, reloj%20coordinado
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
- reloj sincronizado 1, record 3, Spanish, reloj%20sincronizado
masculine noun, Mexico
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Reloj en un conjunto de relojes distribuidos sobre una región espacial que produce escalas de tiempo que están sincronizadas a la escala de tiempo de un reloj de referencia en una localización específica. 1, record 3, Spanish, - reloj%20coordinado
Record 4 - internal organization data 1996-05-21
Record 4, English
Record 4, Subject field(s)
- Telecommunications
Record 4, Main entry term, English
- missing pulse scheme 1, record 4, English, missing%20pulse%20scheme
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
The multiframe reference is indicated by the position of a clock pulse that is missing in the system clock of the SDI. 1, record 4, English, - missing%20pulse%20scheme
Record number: 4, Textual support number: 2 OBS
enterprise systems 2, record 4, English, - missing%20pulse%20scheme
Record 4, French
Record 4, Domaine(s)
- Télécommunications
Record 4, Main entry term, French
- principe dite de l'impulsion manquante
1, record 4, French, principe%20dite%20de%20l%27impulsion%20manquante
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
La référence de multitrame est repérée par la position d’une impulsion d’horloge absente dans le signal de rythme. 1, record 4, French, - principe%20dite%20de%20l%27impulsion%20manquante
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1994-05-31
Record 5, English
Record 5, Subject field(s)
- Mathematical Geography
- Remote Sensing
Record 5, Main entry term, English
- reconstructed carrier phase
1, record 5, English, reconstructed%20carrier%20phase
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
The difference between the phase of the incoming Doppler-shifted GPS carrier and the phase of a nominally constant reference frequency generated in the receiver. 1, record 5, English, - reconstructed%20carrier%20phase
Record number: 5, Textual support number: 1 OBS
For static positioning, the reconstructed carrier phase is sampled at epochs determined by a clock in the receiver. The reconstructed carrier phase changes according to the continuously integrated Doppler shift of the incoming signal, biased by the integral of the frequency offset between the satellite and receiver reference oscillators. The reconstructed carrier phase can be related to the satellite-to-receiver range, once the initial range (or phase ambiguity) has been determined. A change in the satellite-to-receiver range of one wavelength of the GPS carrier (19 cm for L1) will result in a one-cycle change in the phase of the reconstructed carrier. 1, record 5, English, - reconstructed%20carrier%20phase
Record number: 5, Textual support number: 2 OBS
Term and definition provided by the Canadian Hydrographic Service. 1, record 5, English, - reconstructed%20carrier%20phase
Record 5, French
Record 5, Domaine(s)
- Géographie mathématique
- Télédétection
Record 5, Main entry term, French
- phase reconstituée de la porteuse
1, record 5, French, phase%20reconstitu%C3%A9e%20de%20la%20porteuse
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
La différence entre la phase de la porteuse GPS dont la fréquence est décalée par effet Doppler et la phase d’une fréquence de référence nominalement constante produite par le récepteur. 1, record 5, French, - phase%20reconstitu%C3%A9e%20de%20la%20porteuse
Record number: 5, Textual support number: 1 OBS
Aux fins du positionnement statique, la phase reconstituée de la porteuse est échantillonnée suivant des époques déterminées d’après une horloge dans le récepteur. La phase reconstituée de la porteuse varie en fonction du décalage Doppler, intégré de manière ininterrompue, modifié par l'intégrale du décalage de fréquence entre les oscillateurs de référence du récepteur et du satellite. La phase reconstituée de la porteuse peut être mise en relation avec la distance satellite-récepteur une fois la distance initiale(ambiguïté de phase) déterminée. Une modification de la distance satellite-récepteur égale à une longueur d’onde de la porteuse du GPS(19 cm pour L1) résulte en une modification égale à un cycle de la phase reconstituée de la porteuse. 1, record 5, French, - phase%20reconstitu%C3%A9e%20de%20la%20porteuse
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1992-05-07
Record 6, English
Record 6, Subject field(s)
- Gears and Friction Wheels
Record 6, Main entry term, English
- left-hand teeth
1, record 6, English, left%2Dhand%20teeth
correct, standardized
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Teeth whose successive transverse profiles show anticlockwise displacement with increasing distance from an observer looking along the straight line generators of the reference surface. 1, record 6, English, - left%2Dhand%20teeth
Record number: 6, Textual support number: 1 OBS
Term and definition standardized by ISO. 2, record 6, English, - left%2Dhand%20teeth
Record 6, French
Record 6, Domaine(s)
- Engrenages et roues de friction
Record 6, Main entry term, French
- denture à gauche
1, record 6, French, denture%20%C3%A0%20gauche
correct, feminine noun, standardized
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Denture dont les profils apparents successifs paraissent tourner en sens inverse d’horloge en s’éloignant d’un observateur regardant suivant les génératrices de la surface primitive de référence. 1, record 6, French, - denture%20%C3%A0%20gauche
Record number: 6, Textual support number: 1 OBS
Terme et définition normalisés par l’ISO. 2, record 6, French, - denture%20%C3%A0%20gauche
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1992-05-07
Record 7, English
Record 7, Subject field(s)
- Gears and Friction Wheels
Record 7, Main entry term, English
- right-hand teeth
1, record 7, English, right%2Dhand%20teeth
correct, standardized
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
Teeth whose successive transverse profiles show clockwise displacement with increasing distance from an observer looking along the straight line generators of the reference surface. 1, record 7, English, - right%2Dhand%20teeth
Record number: 7, Textual support number: 1 OBS
Term and definition standardized by ISO. 2, record 7, English, - right%2Dhand%20teeth
Record 7, French
Record 7, Domaine(s)
- Engrenages et roues de friction
Record 7, Main entry term, French
- denture à droite
1, record 7, French, denture%20%C3%A0%20droite
correct, feminine noun, standardized
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Denture dont les profils apparents successifs paraissent tourner en sens d’horloge en s’éloignant d’un observateur regardant suivant les génératrices de la surface primitive de référence. 1, record 7, French, - denture%20%C3%A0%20droite
Record number: 7, Textual support number: 1 OBS
Terme et définition normalisés par l’ISO. 2, record 7, French, - denture%20%C3%A0%20droite
Record 7, Spanish
Record 7, Textual support, Spanish
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