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NUCLEAR GYRO [4 records]
Record 1 - internal organization data 2007-04-05
Record 1, English
Record 1, Subject field(s)
- Aircraft Piloting and Navigation
- Launching and Space Maneuvering
Record 1, Main entry term, English
- noise-induced random drift
1, record 1, English, noise%2Dinduced%20random%20drift
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The fundamental parameters of the NMR [nuclear magnetic resonance] gyro are defined in the following manner : The signal-to-noise ratio is a parameter which characterizes the noise-induced random drift and the ability to determine drift angle in the NMR gyro. The relaxation times characterize the fundamental usefulness of the resonance cell. Finally, the rate bias instability characterizes the shifts in the precessional frequency of the macroscopic magnetic moment. 1, record 1, English, - noise%2Dinduced%20random%20drift
Record 1, French
Record 1, Domaine(s)
- Pilotage et navigation aérienne
- Lancement et manœuvres dans l'espace
Record 1, Main entry term, French
- dérive aléatoire due aux bruits
1, record 1, French, d%C3%A9rive%20al%C3%A9atoire%20due%20aux%20bruits
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Dans le cadre du suivi en orbite des satellites orbite basse d'observation de la Terre, il est nécessaire de mettre au point un outil de suivi et de caractérisation de la dérive aléatoire des gyroscopes utilisés par le pilotage. Cet outil doit permettre d'évaluer la santé des équipements concernés, et d'anticiper d'éventuels problèmes en orbite. 2, record 1, French, - d%C3%A9rive%20al%C3%A9atoire%20due%20aux%20bruits
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-10-23
Record 2, English
Record 2, Subject field(s)
- Atomic Physics
- Aircraft Piloting and Navigation
- Navigation Instruments
- Ship Piloting
Record 2, Main entry term, English
- nuclear magnetic resonance gyroscope
1, record 2, English, nuclear%20magnetic%20resonance%20gyroscope
correct
Record 2, Abbreviations, English
- NMRG 2, record 2, English, NMRG
correct
Record 2, Synonyms, English
- nuclear magnetic resonance gyro 3, record 2, English, nuclear%20magnetic%20resonance%20gyro
correct
- nuclear gyroscope 4, record 2, English, nuclear%20gyroscope
correct
- atomic gyro 5, record 2, English, atomic%20gyro
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A gyroscope utilizing the spin of electrons and atomic nuclei rather than a spinning mass. 4, record 2, English, - nuclear%20magnetic%20resonance%20gyroscope
Record number: 2, Textual support number: 1 CONT
Through DOD [Department of Defense] and industry in-house independent research and development, considerable advances in [inertial navigation] have been done. Some of [the] new generation sensors are the ring laser gyro(RLG)..., the nuclear magnetic resonance gyroscope(NMRG), and the hemi-spherical resonator gyroscope(HRG). 2, record 2, English, - nuclear%20magnetic%20resonance%20gyroscope
Record 2, Key term(s)
- nuclear gyro
- atomic gyroscope
Record 2, French
Record 2, Domaine(s)
- Physique atomique
- Pilotage et navigation aérienne
- Instruments de navigation
- Pilotage des navires
Record 2, Main entry term, French
- gyroscope à résonance magnétique nucléaire
1, record 2, French, gyroscope%20%C3%A0%20r%C3%A9sonance%20magn%C3%A9tique%20nucl%C3%A9aire
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- gyroscope nucléaire 2, record 2, French, gyroscope%20nucl%C3%A9aire
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Gyroscope utilisant les propriétés inertielles (spin) des particules élémentaires. 3, record 2, French, - gyroscope%20%C3%A0%20r%C3%A9sonance%20magn%C3%A9tique%20nucl%C3%A9aire
Record number: 2, Textual support number: 1 CONT
[...] certains laboratoires ont étudié divers dispositifs de mesure des rotations absolues ne présentant qu'une analogie assez lointaine avec les gyroscopes classiques. Ce sont les gyroscopes à vibrations, dans lesquels le mouvement de rotation de la toupie est remplacé par le mouvement de va-et-vient d'éléments mécaniques; les gyroscopes nucléaires, dans lesquels le spin du noyau atomique est utilisé comme référence spatiale; les gyroscopes optiques, exploitant les propriétés de la lumière cohérente [...] 4, record 2, French, - gyroscope%20%C3%A0%20r%C3%A9sonance%20magn%C3%A9tique%20nucl%C3%A9aire
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-06-21
Record 3, English
Record 3, Subject field(s)
- Magnetism
- Electromagnetism
- Atomic Physics
Record 3, Main entry term, English
- magnetic moment
1, record 3, English, magnetic%20moment
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- magnetic dipole moment 2, record 3, English, magnetic%20dipole%20moment
correct
- dipole moment 3, record 3, English, dipole%20moment
correct
- moment of a magnet 4, record 3, English, moment%20of%20a%20magnet
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A vector associated with a magnet, current loop, particle, or such, whose cross product with the magnetic induction (or alternatively, the magnetic field strength) of a magnetic field is equal to the torque exerted on the system by the field. 3, record 3, English, - magnetic%20moment
Record number: 3, Textual support number: 1 CONT
The nuclear magnetic resonance(NMR) gyroscope is a rate-integrating, single-axis gyro that obtains its rotational information from the dynamic angular motion of certain nuclei... The NMR gyro utilizes the intrinsic property of certain nuclei to determine angular displacement about a defined input axis. These nuclei have angular momentum, hence magnetic moment. 5, record 3, English, - magnetic%20moment
Record 3, French
Record 3, Domaine(s)
- Magnétisme
- Électromagnétisme
- Physique atomique
Record 3, Main entry term, French
- moment magnétique
1, record 3, French, moment%20magn%C3%A9tique
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- moment magnétique dipolaire 2, record 3, French, moment%20magn%C3%A9tique%20dipolaire
correct, masculine noun
- moment dipole 3, record 3, French, moment%20dipole
correct, masculine noun
- moment magnétique coulombien 4, record 3, French, moment%20magn%C3%A9tique%20coulombien
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Vecteur représentant l'aimantation d'un aimant, d'une boucle de courant. 5, record 3, French, - moment%20magn%C3%A9tique
Record number: 3, Textual support number: 1 CONT
Le principe de la résonance magnétique repose sur le fait que lorsqu'un moment magnétique situé dans un champ magnétique est soumis à une excitation magnétique périodique, son comportement n'est influencé par l'excitation que si celle-ci à une fréquence bien déterminée. Cette perturbation affecte le comportement électromagnétique de l'échantillon étudié et peut être mesurée. On obtient alors une courbe de variation appelée raie de résonance. La mesure directe de la résonance magnétique a été améliorée à l'occasion des études sur les radars pendant la Seconde Guerre mondiale. 6, record 3, French, - moment%20magn%C3%A9tique
Record number: 3, Textual support number: 2 CONT
Lévitation magnétique [...] - rotation: il est possible de faire léviter un objet avec des aimants fixes. Un exemple en est le lévitron : il s'agit d'une toupie aimantée qui est en lévitation au-dessus d'une base aimantée. En fait, le lévitron peut être considéré comme une sorte de corps diamagnétique : par rotation, on stabilise la direction du moment magnétique dans l'espace (on a un gyroscope magnétique) et on place cet aimant dans un champ magnétique anti-parallèle. 7, record 3, French, - moment%20magn%C3%A9tique
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-06-21
Record 4, English
Record 4, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 4, Main entry term, English
- rate-integrating single-axis gyro
1, record 4, English, rate%2Dintegrating%20single%2Daxis%20gyro
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
The nuclear magnetic resonance(NMR) gyroscope is a rate-integrating single axis gyro that obtains its rotational information from the dynamic angular motion of certain nuclei. The gyro was developed because of its potential to be an accurate, small, highly reliable inertial sensor with low acquisition and life cycle costs. 1, record 4, English, - rate%2Dintegrating%20single%2Daxis%20gyro
Record 4, Key term(s)
- rate-integrating single-axis gyroscope
Record 4, French
Record 4, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 4, Main entry term, French
- gyroscope intégrateur 1-axe
1, record 4, French, gyroscope%20int%C3%A9grateur%201%2Daxe
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Le gyroscope intégrateur 1-axe : Supposons cet appareil dédié à la surveillance d'une plate-forme, ce qui rappelons le signifie des écarts angulaires faibles et des vitesses angulaires encore plus faibles [...] 1, record 4, French, - gyroscope%20int%C3%A9grateur%201%2Daxe
Record 4, Key term(s)
- gyroscope intégrateur un axe
Record 4, Spanish
Record 4, Textual support, Spanish
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