TERMIUM Plus®

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

SIGNAL COMPARATOR [3 records]

Record 1 2002-09-05

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
OBS

The type print contrast signal, i. e. density, is measured with a microdensitometer, such as the McBeth PCM II Optical Comparator or similar instrument. Measurements are made on type throughout the job lot and the average PCS is calculated.

OBS

Quality assurance.

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
OBS

Unité de contraste de densité entre le blanc et la couleur; exprimée en pourcentage.

OBS

Assurance de la qualité.

Spanish

Campo(s) temático(s)
  • Tintas y colores (Artes gráficas)
DEF

En el reconocimiento de caracters ópticos es una medida del contraste entre un carácter impreso y el papel sobre el cual se imprimió.

Save record 1

Record 2 1986-11-24

English

Subject field(s)
  • Radio Waves
CONT

The Patriot multi-function phased-array radar is housed in an air-conditioned, electrically screened, unmanned shelter mounted on an M860 semi-trailed towed by a tractor.... Returning r. f. energy is focused by the antenna lens on to the receiver horn in the comparator. The comparator forms sum and difference signals for the individual monopulse reception channels, the sum, azimuth-difference and elevation-difference signals being routed to the receiver input. After frequency conversion and filtering, the received energy is fed via flexible shielded cable as an intermediate-frequency signal to the receiver group inside the shelter.

French

Domaine(s)
  • Ondes radioélectriques

Spanish

Save record 2

Record 3 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

In all MFB Speaker/Amps, we [Philips] mount a tiny sensing device(called a piezoelectric transducer) at the apex of the woofer unit. The transducer converts the sound output into an electrical signal and feeds it back to a comparator in the amplifier. This checks it against the input signal and compensates for any differences.

Key term(s)
  • motional feedback speaker
  • motional feedback enclosure

French

Domaine(s)
  • Électroacoustique
DEF

(...) se dit d'une enceinte acoustique close équipée d'un haut-parleur de grave spécial ayant un capteur sensible aux mouvements de sa membrane. Le capteur renvoie à l'entrée de l'amplificateur de puissance, les signaux produits afin qu'ils soient comparés et corrigés électroniquement.

Spanish

Save record 3

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