TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MAGNETIC COUPLING [7 records]

Record 1 2008-10-20

English

Subject field(s)
  • Helicopters (Military)
  • Flight Instruments and Equipment (Aeroindustry)
  • Air Navigation Aids
CONT

Helicopter Inertial Platform.... Using digital filtering, long-term inertial errors are eliminated by inertial-to-Doppler coupling, inertial-barometric-radio altimeter coupling, and coupling with an automatically compensated magnetic heading detector.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Aides à la navigation aérienne
CONT

Centrale inertielle pour hélicoptères [...] les informations [sont] recalées par filtrage numérique pour éliminer les erreurs à long terme au moyen de couplages inertie-Doppler dans le plan horizontal, inertie-baro-radiosonde dans le plan vertical et couplage sur sonde magnétique autocompensée pour le cap.

Spanish

Campo(s) temático(s)
  • Helicópteros (Militar)
  • Instrumentos y equipo de vuelo (Industria aeronáutica)
  • Ayuda para la navegación aérea
DEF

Utilización de técnicas de procesamiento de señales digitales para llevar a cabo la filtración de una señal.

Save record 1

Record 2 2007-07-04

English

Subject field(s)
  • Demolition (Military)
  • Land Mines
OBS

The IMP can detect mines buried in the ground to a maximum depth of 45 centimeters(18 inches), but it would take a highly trained operator to notice mines buried that deep. In its plastic tubular search head there are three coils. One transmits while the other two receive. Together these coils generate a magnetic induction bridge that is initially balanced for zero coupling. When the search head passes over a metallic object the induction bridge becomes unstable and produces an audible signal in the headset.

French

Domaine(s)
  • Destruction (Militaire)
  • Mines terrestres
OBS

Ce détecteur a été conçu par l'Union soviétique dans les années 70.

Spanish

Save record 2

Record 3 2002-10-23

English

Subject field(s)
  • Magnetism and Electromagnetism
  • Induction (Magnetism)
  • Telecommunications
  • Electrical Circuits and Circuit Breakers
DEF

When AC is applied to a coil, a varying magnetic field will be produced around it. When another coil is placed within that magnetic field, it will induce a current flowing in that coil. This principle is called MUTUAL INDUCTANCE The amount of mutual inductance between the two coils depends on the distance between the two coils, and the angle between the two coils. When two coils are linked together via mutual inductance in this manner, we say that the coils are inductively COUPLED. When the mutually inductive coils are close to each other, we say that they are closely, or tightly coupled. When they are far apart, we say that they are loosely coupled. The greatest amount of coupling occurs when the coils are wound one directly over the other and on a closed iron core. The quantity of coupling between two coils is sometimes referred to as the Coefficient of Coupling.

French

Domaine(s)
  • Magnétisme et électromagnétisme
  • Induction (Magnétisme)
  • Télécommunications
  • Circuits électriques et coupe-circuits
DEF

Quotient du flux d'induction magnétique, que le courant d'un circuit détermine dans un autre circuit, par l'intensité du courant dans le premier circuit.

Spanish

Campo(s) temático(s)
  • Magnetismo y electromagnetismo
  • Inducción (Magnetismo)
  • Telecomunicaciones
  • Circuitos eléctricos e interruptores automáticos
Save record 3

Record 4 1999-09-22

English

Subject field(s)
  • Biochemistry
CONT

This course is designed for chemistry students wishing to become familiar with the use of high resolution nuclear magnetic resonance(NMR) spectroscopy and mass spectrometry for the determination of molecular structure and dynamics in solution. The NMR part of the course deals with analysis of second-order proton spectra, with extraction of coupling constants and chemical shifts from spectra. Then the topics of pulsed and Fourier transform NMR are introduced and applied to natural abundance 13C spectra. Problem solving with combined 1H and 13C NMR data is emphasized. Subsequently the use of spin lattice relaxation times for dynamics is discussed, followed by an introduction to 2 dimensional(2D) NMR.

French

Domaine(s)
  • Biochimie
CONT

La RMN à deux dimensions peut être comparée à une réaction chimique, dont les composantes doivent être identifiées (ici par fréquence)avant et après la réaction.[...] Notons par ailleurs que la RMN 2D n'est pas limitée à l'observation des protons : deux expériences de corrélation ont été conçues pour relier des azotes, des carbones et des protons.

OBS

Terme et exemple tirés du «Technoscope».

Spanish

Save record 4

Record 5 1987-05-22

English

Subject field(s)
  • Helicopters (Military)
  • Flight Instruments and Equipment (Aeroindustry)
OBS

Term officialized by the ATSC - Helicopters.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Instruments et équipement de bord (Constructions aéronautiques)
OBS

Terme uniformisé par le CUTA - Hélicoptères.

Spanish

Save record 5

Record 6 1985-08-12

English

Subject field(s)
  • Energy Transformation
  • Thermonuclear fusion
  • Atomic Physics
DEF

Plasma heating by resonant coupling between an HF electromagnetic field, with a frequency equal to one of the parametric frequencies, and the plasma confined by a static magnetic field.

French

Domaine(s)
  • Transformation de l'énergie
  • Fusion thermonucléaire
  • Physique atomique

Spanish

Save record 6

Record 7 1976-06-19

English

Subject field(s)
  • Engineering Tests and Reliability

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)

Spanish

Save record 7

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