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ATOMIC CLOCK ENSEMBLE SPACE [1 record]
Record 1 - internal organization data 2003-06-02
Record 1, English
Record 1, Subject field(s)
- Orbital Stations
- Research Experiments in Space
Record 1, Main entry term, English
- atomic clock ensemble in space
1, record 1, English, atomic%20clock%20ensemble%20in%20space
correct, officially approved
Record 1, Abbreviations, English
- ACES 1, record 1, English, ACES
correct, officially approved
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The Atomic Clock Ensemble in Space (ACES) is a programme to test the performance of a new type of clock that exploits and depends upon microgravity conditions. It consists of four key elements: a laser-cooled atomic clock; a hydrogen maser; a laser link for optical transfer of time and frequency; a microwave link for transfer of time and frequency. 2, record 1, English, - atomic%20clock%20ensemble%20in%20space
Record number: 1, Textual support number: 1 OBS
The atomic clock experiments are expected to improve the accuracy by a factor of 100 as compared to terrestrial atomic clocks. The ultra-precise time measurement will promote relativistic measurements and tests, and applications in atmospheric physics, geodesy, navigation and advanced telecommunications, as well as serve as a universal time and frequency reference from space. 3, record 1, English, - atomic%20clock%20ensemble%20in%20space
Record number: 1, Textual support number: 2 OBS
atomic clock ensemble in space; ACES: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG). 4, record 1, English, - atomic%20clock%20ensemble%20in%20space
Record 1, French
Record 1, Domaine(s)
- Stations orbitales
- Travaux de recherche dans l'espace
Record 1, Main entry term, French
- ensemble d'horloges atomiques dans l'espace
1, record 1, French, ensemble%20d%27horloges%20atomiques%20dans%20l%27espace
proposal, masculine noun, officially approved
Record 1, Abbreviations, French
- ACES 2, record 1, French, ACES
correct, masculine noun, officially approved
Record 1, Synonyms, French
- ensemble ACES 3, record 1, French, ensemble%20ACES
proposal, masculine noun
- ensemble horloge atomique spatiale 4, record 1, French, ensemble%20horloge%20atomique%20spatiale
masculine noun
- ACES 4, record 1, French, ACES
masculine noun
- ACES 4, record 1, French, ACES
- horloge atomique pour l'espace 4, record 1, French, horloge%20atomique%20pour%20l%27espace
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
En avril 1997 PHARAO a été soumis à l'Agence spatiale européenne (ESA) dans le cadre d'une mission plus large appelée ACES (Atomic Clock Ensemble in Space). Son principe est de mettre à bord de la Station spatiale internationale (ISS) un ensemble comprenant des horloges ultra-stables et des méthodes de transfert temps/fréquences performantes. Dans la configuration de base de ACES, les deux horloges retenues sont PHARAO et un maser à hydrogène fourni par l'Observatoire de Neuchâtel (Suisse). Le transfert de temps est réalisé par un lien optique utilisant des impulsions laser très brèves (T2L2, fourni par l'Observatoire de la Côte d'Azur) et également par un lien dans le domaine micro-onde qui, lui, peut fonctionner par toutes conditions atmosphériques. En décembre 1997, la mission ACES [sera] montée sur une palette EXPRESS de la station spatiale en juin 2005. 2, record 1, French, - ensemble%20d%27horloges%20atomiques%20dans%20l%27espace
Record number: 1, Textual support number: 1 OBS
ensemble d'horloges atomiques dans l'espace; ACES : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI). 3, record 1, French, - ensemble%20d%27horloges%20atomiques%20dans%20l%27espace
Record 1, Spanish
Record 1, Textual support, Spanish
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