TERMIUM Plus®

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

TWO POSITION CONTROL [23 records]

Record 1 2025-02-04

English

Subject field(s)
  • Applications of Automation
  • Astronautics
  • Collaboration with WIPO
CONT

Some papers selected single-arm space robots as actuators to touch and capture the target spacecraft in space. The in-orbit screw-driving manipulation by a single-arm space robot... can cause the rotation and translation of the target spacecraft. Since the target is a free-floating spacecraft that is not a fixed object on the ground, the target will have reactive translational motion and rotation when external forces and torques are applied to the target spacecraft during the screwdriving process. However, the translation and rotation of the target spacecraft can influence the control accuracy of the space robot, which may lead to failures during the screw-driving process. Unlike single-arm space robots, dual-arm space robots can use the cooperation of the two arms to accomplish more complicated space tasks effectively. Therefore, dual-arm space robots can be introduced to carry out the in-orbit screw-driving operation by the mission arm and maintain the position and attitude of the target spacecraft by the other arm.

OBS

single-arm space robot: designation validated by Canadian subject-matter experts from Polytechnique Montréal and the Canadian Space Agency.

Key term(s)
  • single arm space robot
  • SearchOnlyKey1

French

Domaine(s)
  • Automatisation et applications
  • Astronautique
  • Collaboration avec l'OMPI
OBS

robot spatial à un bras : désignation validée par des spécialistes canadiens de Polytechnique Montréal et de l'Agence spatiale canadienne.

Spanish

Campo(s) temático(s)
  • Automatización y aplicaciones
  • Astronáutica
  • Colaboración con la OMPI
Save record 1

Record 2 2025-02-04

English

Subject field(s)
  • Applications of Automation
  • Astronautics
  • Collaboration with WIPO
DEF

The field of telerobotics dealing with the design, building and operation of robots from a distance in outer space.

CONT

Space telerobotics is an inherently complex task, requiring mental visualization skills, fine motor visualization skills, fine motor control, and adhering to procedure and flight rules. Often space telerobotics is accomplished only using video views of the work area, so the robotic arm operator must interpret two dimensional images to create a 3D [three-dimensional] mental model of the environment and their position inside it, all the while being aware of arm kinematics and limitations, avoiding collisions, and following procedural flight rules. To add to the workload, they also control the arm in six degrees of freedom, using separate rotational and translational hand controls, where the movement axes are frequently not aligned with camera views(e. g., the operator views the scene backwards or upside down).

OBS

space telerobotics: designation validated by a Canadian subject-matter expert from Université Laval.

Key term(s)
  • SearchOnlyKey1

French

Domaine(s)
  • Automatisation et applications
  • Astronautique
  • Collaboration avec l'OMPI
CONT

Nous avons défini un modèle logique et temporel de plans d'action dotés d'une structure de contrôle impérative, sur la base d'un formalisme unifié inspiré de la logique à intervalles d'Allen, permettant de décrire aussi bien l'environnement et son évolution que l'arrangement temporel des plans. [...] Comme un exemple simplifié le suggère [...], le modèle a été appliqué à la simulation de plans de missions en télérobotique spatiale concernant un robot bi-bras [...]

OBS

télérobotique spatiale : désignation validée par un spécialiste canadien de l'Université Laval.

Spanish

Campo(s) temático(s)
  • Automatización y aplicaciones
  • Astronáutica
  • Colaboración con la OMPI
CONT

Telerrobótica espacial. Vistas las ventajas de los sistemas de teleoperación espaciales y el gran éxito del brazo del transbordador, en el año 1985, la NASA se planteó seriamente potenciar sus actividades de robótica y automatización para la exploración planetaria y la construcción de la futura estación espacial en fase de diseño. Resultado de estos estudios fue el inicio de diversos proyectos muy ambiciosos encaminados a la obtención de sistemas robóticos espaciales totalmente autónomos […] El [satélite japonés] ETS-VII constituyó un hito fundamental en la historia de la robótica espacial. Estuvo durante dos años en órbita realizando multitud de experimentos de teleoperación y telerrobótica espacial.

Save record 2

Record 3 2016-03-04

English

Subject field(s)
  • Tools and Equipment (Textile Industries)
  • Textile Weaving (Textile Industries)
CONT

... two harness automatic weaving loom designed for any of the weaver controlled weaves. It incorporates a unique patented shed changing device which automatically changes the position of warp threads to form any of three shed positions, integral simplified warp tension control and an integral warping frame for preparation of the warp.

OBS

loom: a machine for weaving warp and filling yarns to produce cloth.

French

Domaine(s)
  • Outillage et équipement (Industries du textile)
  • Tissage (Industries du textile)
CONT

Fabriquer un matériel tissé grège sur un métier à tisser automatique [...] Le métier à tisser automatique : démonstration, pratique, détermination de la vitesse et de la production.

Spanish

Campo(s) temático(s)
  • Herramientas y equipo (Industrias textiles)
  • Tejeduría (Industrias textiles)
CONT

Los telares manuales, en cuyo funcionamiento se inspiran, por lo demás, los telares automáticos, tienen algunos perfeccionamientos respecto al de bajo lizo para tapices.

Save record 3

Record 4 2014-12-03

English

Subject field(s)
  • Muscles and Tendons
CONT

Muscle contractions which result in movement are known as isotonic contractions. There are two types of isotonic muscle contraction : concentric and eccentric... Eccentric contractions are the opposite of concentric contractions. The muscle contracts but increases in length. This type of contraction occurs usually in the direction of gravity, to control a movement. For example, using the same biceps curl exercise-as the arm is slowly straightened from the bent position, the Biceps Brachii muscle contracts eccentrically to control the downward movement and increase the angle at the joint.

French

Domaine(s)
  • Muscles et tendons
CONT

Les muscles peuvent encore exercer de la force lors d'une contraction avec allongement du muscle. Ce mouvement est appelé contraction excentrique [...] Pour l'illustrer, citons l'action du muscle biceps brachial, lorsque le coude s'étend pour poser un poids très lourd. Dans ce cas, les filaments d'actine s'éloignent du centre du sarcomère en l'étirant.

Spanish

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Record 5 2011-05-09

English

Subject field(s)
  • Control Instrumentation (Mechanical Components)
  • Refrigerating Machines and Appliances
  • Air Conditioning and Heating
DEF

A control having only two positions of action, such as on-off or open-closed.

OBS

It generally includes an electric switch mechanism which makes and breaks circuits at the two extremes of its control range, this being known as two position action.

OBS

two-position control; two-step control : terms officially approved by the Lexicon Project Committee(New Brunswick).

French

Domaine(s)
  • Dispositifs de commande (Composants mécaniques)
  • Machines frigorifiques
  • Conditionnement de l'air et chauffage
OBS

commande par tout ou rien : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 5

Record 6 2010-03-31

English

Subject field(s)
  • Spacecraft
  • Launching and Space Maneuvering
DEF

A satellite, the position of the centre of mass of which is controlled to follow a specified law, either in relation to the positions of other satellites belonging to the same space system or in relation to a point on Earth which is fixed or moves in a specified way.

OBS

The satellite in geostationary orbit(GEO) is, however, a special case, since it is allocated an orbital position measured in degrees of longitude, which must be maintained to limit the possibility of interference with other services using GEO, to allow the use of fixed ground antennas and to avoid collisions. This is referred to as “station keeping” : the two main components of orbital control are east-west station keeping and north-south station keeping.

French

Domaine(s)
  • Engins spatiaux
  • Lancement et manœuvres dans l'espace
DEF

Satellite dont la position du centre de masse est astreinte à suivre une loi spécifiée, soit par rapport aux positions d’autres satellites appartenant au même système spatial, soit par rapport à un point de la Terre qui est fixe ou se déplace selon une loi connue.

Spanish

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Record 7 2008-10-22

English

Subject field(s)
  • Taps and Plumbing Accessories
  • Aircraft Systems
DEF

A valve which controls pressure, volume, or flow direction in a fluid transmission system.

CONT

Pneumatic systems are often compared to hydraulic systems, but such comparisons can only hold true in general terms.... Control valves are... a necessary part of a typical pneumatic system.... The control valve consists of a lever with two lobes. [In the off position], a spring holds the left poppet closed so that compressed air entering the pressure port cannot flow to the brakes. [In the on position], one lobe of the lever holds the left poppet open and a spring closes the right poppet. Compressed air now flows around the opened left poppet, through a drilled passage, and into a chamber below the right poppet. Since the right poppet is closed, the high-pressure air flows out of the brake port and into the brake line to apply the brakes. To release the brakes, the control valve is returned to the off position.

French

Domaine(s)
  • Robinetterie et accessoires
  • Circuits des aéronefs
DEF

Vanne qui contrôle la pression, le volume, la direction du débit dans un circuit de transmission de fluide.

OBS

vanne de commande : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

PHR

Vanne de commande de débit, de décharge, de démarrage, de pression, d'ouverture de trappe de train principal.

Spanish

Save record 7

Record 8 2008-05-28

English

Subject field(s)
  • Machine-Tooling (Metallurgy)
  • Automatic Control (Machine Tools)
CONT

The Stewart platform consists of two plates connected by six mobile and extensible legs. The lower or base plate is immobile. The upper or mobile plate has six degrees of freedom, three rotational and three translational. The platform is highly stable and easy to control. The platform's six legs each have two parts, an upper and a lower leg, with a piston-like cylindrical DoF between each pair of parts. The legs are connected to the base plate and the top plate by universal joints at each end of each leg.(These universals are not just sets of abstract DoFs. Each also contains a spider-like body, while also having two DoFs.) The upper part of each leg can slide into and out of the lower leg, allowing each leg to be varied in length. The position and orientation of the mobile platform(top plate) varies depending on the lengths to which the six legs are separately adjusted. Once the top is connected to the legs, the entire Stewart platform assembly has 36 DoFs. Only six DoFs are independent, the same as the top plate would have if it were disconnected. You can think of these independent DoFs as the six adjustable leg lengths or as equivalent to the six DoFs of the mobile plate.

OBS

Geodetic Technology trademarked "hexapod" for a Stewart platform in a machine tool context. However, apparently this has not stopped other machine tool manufacturers from using the term. A Free CNC software package, the Enhanced Machine Controller (EMC) [1] is capable of driving a stewart platform using standard G-codes such as used for milling machines, etc.

French

Domaine(s)
  • Usinage (Métallurgie)
  • Commandes automatiques (Machines-outils)
CONT

La plateforme de Stewart [...] est un type de robot parallèle constitué de six actionneurs. Elle a six degrés de liberté : les trois coordonnées de translation ainsi que les angles de tangage, roulement et lacet (Angles d'Euler). Les six jambes sont actionnées pour changer de longueur et [faire] varier l'orientation de la plateforme [...]

OBS

Les plateformes de Stewart ont des applications dans la technologie des machine-outils et des grue, la recherche sous-marine, la simulation de vol, les antennes paraboliques, les télescopes et la chirurgie orthopédique.

Spanish

Save record 8

Record 9 2007-07-12

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

The CF34 inlet guide vanes(IGV) and the first five stages of stator vanes are variable, and the main fuel control schedules their position as a function of the desired VG [variable geometry] scheduling. The VG system has two turnbuckles for each of the 5 VG stages. Actual position of the variable geometry is transmitted through a feedback cable and the turnbuckles.

Key term(s)
  • feed-back cable

French

Domaine(s)
  • Propulsion des aéronefs
CONT

Les aubes directrices d'entrée du CF34 et les cinq premiers étages des aubes du stator sont variables, et le régulateur de carburant principal en régule la position en fonction de la régulation à géométrie variable désirée. Le système à géométrie variable comporte deux tendeurs pour chacun des 5 étages à géométrie variable. La position réelle de la géométrie variable est transmise au moyen d'un câble de renvoi et des tendeurs.

Spanish

Save record 9

Record 10 2003-12-08

English

Subject field(s)
  • Orbital Stations
  • Research Experiments in Space
CONT

Hexapod is a support facility to be mounted on an EXPA of the ISS. The facility will be used for the Stratospheric Aerosol and Gas Experiment III(SAGE III). The facility has a bottom plate and a top plate. The two plates are connected by 6 linear actuators. Hexapod receives the pointing data from SAGE III and the actual base position from the ISS-EXPA. From this data the HEXAPOD control algorithm calculates the next position for each leg. Each linear actuator is driven by a double winding Brushless DC Motor, while the position is monitored by an incremental encoder. To sustain the launch load a launch support structure has been designed, which is released by dedicated electromechanical devices. Hexapod is controlled by a dedicated electronic unit... which interfaces to the Station via the MIL BUS 1553B.

OBS

Hexapod pointing device: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
  • Travaux de recherche dans l'espace
OBS

système de pointage Hexapod : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 10

Record 11 2003-10-09

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

TORU(teleoperator control system) is a manual mode system through which a crewmember, located in the Service Module, performs necessary guidance functions in the event of a failure of the automated Kurs rendezvous/docking system of a Progress cargo vehicle(TGK). In this case, the ship's motion will be manually controlled from the TORU control panel, using two hand controllers and a situational display of television signals(ISS) [International Space Station] image plus range, velocity, and relative angular position data from a Progress-mounted Klest-M video camera, shown on two monitors(VKU and Simvol-Ts).

OBS

TORU docking system: term officially approved by the International Space Station official approval Group (ISSOAG).

PHR

Teleoperator Control System (TORU); telerobotically operated (TORU) manual docking system.

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
OBS

système d'amarrage TORU : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 11

Record 12 2003-09-12

English

Subject field(s)
  • Orbital Stations
CONT

In a collaborative project with the Canadian Space Agency, two vibration isolation systems for zero-g environments have been developed-the Motion Isolation Mount(MIM) for orbital flights and the Large Motion Isolation Mount(LMIM) for parabolic flights. The approach taken for MIM has been to develop a mechanism having two parts : a stator attached to the structure and a payload-carrying flotor, with the only coupling between the two components being a flexible umbilical carrying signals and power to the flotor. The flotor is actively magnetically levitated by a set of wide-gap voice coil actuators. Its position relative to the stator is sensed by an optical position sensor while its absolute acceleration is sensed by an inertial accelerometer system. A digital controller uses the sensed information to compute actuator currents based on a control law that regulates acceleration and steady-state position to zero. The weak coupling between stator and flotor and the insensitivity of actuator force with position makes such a system extremely effective for vibration isolation...

OBS

motion isolation mount; MIM: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
CONT

L'ESA [European Space Agency] a donné le mandat à l'ASC [Agence spatiale canadienne] d'adapter le Support d'isolation contre les vibrations en microgravité (MIM) de façon à ce qu'il puisse être utilisé avec le Laboratoire des sciences des fluides (FSL) qui sera envoyé à bord de la Station spatiale internationale (ISS) en 2004. [...] MIM est un système de lévitation magnétique à six degrés de liberté conçu pour isoler les expériences d'accélérations vibratoires (>0.01 Hz) sur la navette spatiale, Mir et l'ISS. MIM a été utilisé sur la station spatiale Mir de mai 1996 à janvier 1998. Une seconde génération de MIM, connue sous le nom de MIM-2, a volé à bord de la navette spatiale lors de la mission STS-85 en août 1997.

OBS

support d'isolation contre les vibrations en microgravité; MIM : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 12

Record 13 2002-02-19

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
CONT

V-bar : Flight Director Indicator... The V-bar command indicator is a pair of yellow, wedge-shaped V-bars that move up or down to command a climb or descent, and roll left or right to command a bank. The flight director system commands the V-bars to capture and track the selected heading or radio signals; or to maintain a desired pitch angle, glidepath, or an optimum speed during SC(speed command) operation. To satisfy the commands, the aircraft is maneuvered so that the airplane symbol is flown into the V-bars until the two are aligned. Input signals to the V-bars depend upon the mode of operation. The V-bars are biased from view by the instrument failure warning system; when loss of signal occurs, or sensing circuits fail that are associated with the selected mode of operation. They are also out of view when the mode selector control is in the OFF position.

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

L'indicateur HZ-4 [horizon directeur de vol] assume deux fonctions. Il réalise la combinaison d'un horizon artificiel et d'un indicateur de tendances du type "zero reader". [...] Les deux barres, verticales et horizontale, sont les barres de tendance liées au calculateur de vol. La barre verticale reçoit les informations du canal de direction, la barre horizontale celles fournies par le canal de profondeur.

CONT

[...], dès que l'avion ne sera plus dans la situation requise, les 2 barres ou repères, appelés BARRES ou REPÈRES DE TENDANCES ne seront plus dans une position médiane vis à vis du cadran de l'indicateur.

OBS

barre de tendance : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.

Spanish

Save record 13

Record 14 2000-06-20

English

Subject field(s)
  • Birds
CONT

In Turdinae and some other species of Muscicapidae, the syrinx is connected to both bronchi; it is made up of vibrating membranes and two distinct series of muscles that control their position, so the birds can produce two sounds at different frequencies simultaneously.

French

Domaine(s)
  • Oiseaux
CONT

La syrinx des Turdinés et de certaines autres espèces de Muscicapidés est liée à chaque bronche; elle est constituée de membranes vibratoires et de deux séries de muscles distincts qui règlent leur position.

Spanish

Save record 14

Record 15 1999-01-13

English

Subject field(s)
  • Applications of Automation
DEF

A robot with stop-point control but no trajectory control; that is, each of its axes has a fixed limit at each end of its stroke and cannot stop except at one or the other of these limits. Such a robot can therefore stop at no more than two locations(where location includes position and orientation). Often very good repeatability can be obtained.

French

Domaine(s)
  • Automatisation et applications

Spanish

Save record 15

Record 16 1996-12-01

English

Subject field(s)
  • Operating Systems (Software)
DEF

The part of the screen where you do your typing and editing.

CONT

The Acrobat Reader and Exchange programs create a document window for every open PDF document. The document window contains other windows, windoids, and two panes; an Overview pane and a Page View pane. An Overview pane exposes either a bookmark or thumbnail window. A Page View pane exposes a Page View window. The document window's Width Control position determines the Overview and Page View pane horizontal size within the document window.

French

Domaine(s)
  • Systèmes d'exploitation (Logiciels)
OBS

Terminologie des éléments à fenêtre, menus, boîtes de dialogue et de message, autres éléments d'écran IUG, touches, interventions utilisateur et applications de Microsoft Windows.

Spanish

Save record 16

Record 17 1994-03-31

English

Subject field(s)
  • Shipbuilding
DEF

In a submarine : type of control, operated from the control room(one or two ram control) whereby a telemotor(hydraulic) control column or bar works the hydroplanes and rudder at a rate according to the position of the operating lever.

OBS

Terminology officially approved by the Naval Terminology Standardization Committee.

French

Domaine(s)
  • Constructions navales
DEF

Dans un sous-marin: mode de pilotage à partir du poste de pilotage, par distributeur hydraulique manuel où la vitesse d'orientation des safrans est fonction de la position du levier.

OBS

Terminologie officialisée par le Comité de normalisation de la terminologie navale.

Spanish

Save record 17

Record 18 1987-09-28

English

Subject field(s)
  • Audio Technology
DEF

... a variable equalizer used... [in sound production, transmission or recording systems]. The equalizer consists of two units : an amplifier and a group of resonant circuits; and a control panel containing a group of attenuator controls, with straightline characteristics, operating in conjunction with a panel designed to show the equalization graphically by the position of the equalizer controls. Each control permits a portion of the audio frequency spectrum to be increased or decreased 8 dB in steps of 1 dB. Frequencies of 63, 160, 400, 1000, 2500, and 6300 Hz have been selected to provide a balanced energy response in the intermediate frequencies. Because of the control panel design... [we can see] the amount of equalization graphically at all times; hence its name.

OBS

Equalizer: [In most of domestic audio systems, it’s a] passive device designed to compensate for an undesired amplitude-frequency and/or phase-frequency characteristic of ... [the systems or their components].

French

Domaine(s)
  • Électroacoustique
DEF

Égaliseur commandé par des curseurs modifiant chacun, en amplitude ou en phase, une fréquence déterminée du spectre. Les curseurs se déplaçant devant un panneau réglé, leur position permet en quelque sorte de "visualiser" la courbe d'égalisation.

OBS

Égaliseur : Dispositif électrique, employé dans les systèmes de production, de transmission ou d'enregistrement du son pour obtenir une réponse en fréquence désirée, donnant généralement au signal électrique ou acoustique une intensité égale à toutes les fréquences d'une bande déterminée.

OBS

L'usage a consacré les termes "égaliseur graphique" et "correcteur graphique", alors qu'il eût mieux valu parler d'égaliseur ou de correcteur "à graphique". Quant à "égalisateur", il n'a pas été officiellement reçu.

OBS

La Commission électrotechnique internationale utilise "correcteur" de préférence à "égaliseur".

Spanish

Save record 18

Record 19 1987-05-04

English

Subject field(s)
  • Flight Controls (Aeroindustry)
CONT

There are two servodrives, one for the aileron control and one for the elevator control; the servodrives are installed in the servo brackets.... The elevator servodrive and bracket is located in the forward position of the forward cargo compartment and is accessible through the compartment loading door; removal of a protective cover is also required.

Key term(s)
  • elevator servo control
  • pitch servo control
  • elevator servo drive

French

Domaine(s)
  • Commandes de vol (Constructions aéronautiques)
OBS

servocommande profondeur : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.

Spanish

Save record 19

Record 20 1987-02-10

English

Subject field(s)
  • Aircraft Systems
CONT

The [stall warning] system consists of a stall warning tone generator, two angle-of-attack transducers, two flap position transmitters, two stall warning computers, and dual control column shakers, audio recognition, and signal annunciators.... The angle-of-attack transducers are installed on the left and right sides of the fuselage at station 285. The transducers provide an electric signal proportional to the angle-of-attack of the airplane. Upward motion of the trailing edge of the vane produces an increasing angle.

French

Domaine(s)
  • Circuits des aéronefs
OBS

transducteur d'angle d'attaque : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.

Spanish

Save record 20

Record 21 1987-02-02

English

Subject field(s)
  • Flight Controls (Aeroindustry)
CONT

The auxiliary rudder throw limiter restricts rudder throw travel, when flaps are in the 0 and 5 degree detents, to 17 degrees each side of faired position. Full rudder travel is available when flaps are extended to 15 degrees and beyond. The auxiliary rudder throw limiter consists of a single-acting hydraulic cylinder, a retractable rudder stop assembly, two springs, a limiter arm which is splined to the rudder torque tube, a control valve operated by the flap control and followup system, a flap/rudder stop inoperative light located on the flight compartment annunciator panel, and switches located above the retractable rudder stop and adjacent to flap followup control drum.

French

Domaine(s)
  • Commandes de vol (Constructions aéronautiques)
OBS

limiteur auxiliaire de débattement de la direction : terme accepté par le Comité d'étude de la terminologie des cartes de travail.

Spanish

Save record 21

Record 22 1986-04-10

English

Subject field(s)
  • Machinery
OBS

(controllers)

French

Domaine(s)
  • Machines
OBS

(régulateurs) tech. ing. vol 5

Spanish

Save record 22

Record 23 1978-04-21

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
OBS

As there is no position marked EMERGENCY on the transponder control panel, the pilot must switch his transponder to Code 77(or 7700) to indicate an emergency. The result will be two large blooming slashes(the emergency mark) displayed on all civil ground station interrogating that transponder.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
OBS

Sur cette figure, nous voyons que les codes 7600 et 7700, correspondant respectivement aux messages de panne radio et de détresse, sont décodés automatiquement à l'aide de comparateurs spécialisés et, en cas de réponse sur l'un de ces deux codes, un symbole particulier (2 barres larges) remplace instantanément le symbole choisi par le contrôleur.

Spanish

Save record 23

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