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INPUT VELOCITY [9 records]

Record 1 2010-07-23

English

Subject field(s)
  • Applications of Electronics
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
CONT

The single-axis inertial platform... The angular motions of the controlled member are sensed by the single-axis gyro. The output signal of the gyro is electronically processed and fed to the torque motor(TM) of the stable element and to the torque generator(TG) of the gyro. The problem is to determine how to do the electronic processing so that the controlled member maintains its orientation in spite of disturbances. The voltage across the output signal generator(SG) of the gyroscope is proportional to the integral of the angular velocity of the controlled member about the gyroscope's input axis. Consequently, this signal is fed to an amplifier and then to a motor, which drives the controlled member in the proper direction to null the ouptut of the gyroscope.

OBS

signal generator: A source of electrical signals, whose characteristics, e.g. waveform, frequency, voltage, etc. can be fixed or controlled within specified limits.

Key term(s)
  • output SG

French

Domaine(s)
  • Applications de l'électronique
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
OBS

générateur de signaux : Source de signaux électriques dont les caractéristiques (forme d'onde, fréquence, tension, etc.) peuvent être réglées à des valeurs fixes, ou à des valeurs variables dans des limites spécifiées.

Spanish

Save record 1

Record 2 2007-07-23

English

Subject field(s)
  • Burners and Steamfitting
  • Gas and Oil Heating
DEF

A device [in an oil burner] which breaks fuel up into tiny droplets without using an atomizing medium.

CONT

Mechanical Atomizers : In the mechanical atomizer, the pressure of the fuel itself is used as the means for atomization. Mechanical atomizers are available in sizes up to 180 million Btu/hr input, about 10, 000 lb of oil per hr. The acceptable operating range may be as much as ten to one or as little as three to one, depending on the maximum oil pressure used for the system, the furnace configuration, air temperature, and burner throat velocity. Return flow atomizers are ideally suited for standard grades of fuel oil where it is desired to meet load variations without changing sprayer plates or cutting burners in and out of service.

French

Domaine(s)
  • Fumisterie et brûleurs
  • Chauffage au gaz et au mazout
CONT

Pulvérisation mécanique à retour. Dans le but d'obtenir une plage de réglage suffisante, le pulvérisateur mécanique est complété d'un circuit de retour qui ramène au réservoir une partie du combustible prélevé dans le pulvérisateur même [...]

CONT

Brûleurs à pulvérisation mécanique de fuel sous pression. Dans ce type de brûleur [...] le fuel est refoulé par l'intermédiaire d'une pompe électrique, à une pression élevée, 7 à 20 bar, dans un gicleur de pulvérisation qui le disperse en un brouillard de fines particules avant vaporisation à haute température [...] C'est le type de brûleur le plus communément utilisé dans les installations de chauffage central.

OBS

pulvérisateur: Lamelle métallique sur laquelle vient se briser avec force un jet d'air et de liquide, qui se pulvérise.

Spanish

Save record 2

Record 3 2002-09-05

English

Subject field(s)
  • Computer Peripheral Equipment
  • Artificial Intelligence
  • Data Transmission
CONT

Here, a microprocessor is connected to a memory that is probably a mixture of read-only memory(ROM) and random-access memory(RAM).... The key feature of this system differentiating it from the classic computer applications is the presence of sensors and effectors as the input/output system. The sensors consist of devices that sample parameters in the environment and convert the outputs into digital form, if they are not already digital, for processing. Temperature, position, video, and velocity sensors are the kinds of sensors used.

French

Domaine(s)
  • Périphériques (Informatique)
  • Intelligence artificielle
  • Transmission de données
OBS

Voir transmetteur de position.

Spanish

Campo(s) temático(s)
  • Equipo periférico (Computadoras)
  • Inteligencia artificial
  • Transmisión de datos
DEF

Dispositivo para medir una posición y convertir dicha medida en una forma conveniente para la transmisión de los datos.

Save record 3

Record 4 1993-10-18

English

Subject field(s)
  • Acoustics (Physics)
DEF

A pick-up that converts an input velocity to an output(usually electrical) that is proportional to the input velocity.

French

Domaine(s)
  • Acoustique (Physique)
DEF

Capteur qui transforme des vitesses d'entrée en signaux de sortie (en général électriques) proportionnels aux valeurs des vitesses des signaux d'entrée.

Spanish

Save record 4

Record 5 1989-07-23

English

Subject field(s)
  • Artificial Intelligence
  • Software
  • Applications of Automation
CONT

Here a microprocessor is connected to a memory that is probably a mixture of read-only memory(ROM) and random access memory(RAM). The key feature of this system differentiating it from the classic computer application is the presence of sensors and effectors as the input/output system. The sensors consist of devices that sample parameters in the environment and convert the outputs into digital form, if they are not already digital, for processing. Temperature, position, video and velocity sensors are the kinds of sensors used.

French

Domaine(s)
  • Intelligence artificielle
  • Logiciels
  • Automatisation et applications
DEF

Capteur qui mesure les intensités lumineuses d'une scène observée.

Spanish

Save record 5

Record 6 1989-07-23

English

Subject field(s)
  • Artificial Intelligence
  • Software
  • Applications of Automation
CONT

Here a microprocessor is connected to a memory that is probably a mixture of read-only memory(ROM) and random-access memory(RAM).... The key feature of this system differentiating it from the classic computer application is the presence of sensors and effectors as the input/output system. The sensors consist of devises that sample parameters in the environment and convert the outputs into digital form, if they are not already digital, for processing. Temperature, position, video, and velocity sensors are the kinds of sensors used.

French

Domaine(s)
  • Intelligence artificielle
  • Logiciels
  • Automatisation et applications
OBS

Voir capteur de proximité, olfactif, optique ou visuel, sonore, etc.

Spanish

Save record 6

Record 7 1985-12-17

English

Subject field(s)
  • Mechanical Components

French

Domaine(s)
  • Composants mécaniques

Spanish

Save record 7

Record 8 1985-04-26

English

Subject field(s)
  • Computer Graphics
DEF

Mode of operation of a plotter in which each input plot command represents a velocity increment and causes an increase or decrease in speed relative to either axis or both axes.

French

Domaine(s)
  • Infographie

Spanish

Save record 8

Record 9 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

Of most importance is the overload capability of the magnetic pickup equalised preamplifier, for if this tends to overload too early excessive distortion can result from discs carrying high velocity modulation. The overload is often given as a dB ratio relative to the input sensitivity, and a ratio much less than 25dB(about 36mV relative to an input sensitivity of 2mV, for example) can be too close to overload for comfort.

Key term(s)
  • overloading

French

Domaine(s)
  • Électroacoustique
CONT

On dit par exemple d'un amplificateur qu'il sature lorsqu'on lui injecte à l'entrée, une modulation dépassant le niveau d'entrée indiqué dans ces caractéristiques (entre 300 mW et 2 volts par exemple).

Spanish

Save record 9

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