TERMIUM Plus®

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FUNCTION INDUCTION [2 records]

Record 1 2010-03-12

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Facilities
CONT

In evaluating the performance of an antenna as a radiating system one considers only the field at a large distance, where the induction field can be neglected. The antenna is then treated as an effective point source, radiating power that, per unit solid angle, is a function of direction only. The directive properties of an antenna are most conveniently expressed in terms of the "gain function"... The gain function is defined as the ratio of the power radiated in a given direction per unit solid angle to the average power radiated per unit solid angle... The maximum value of the gain function is called the "gain"... The gain of an antenna is the greatest factor by which the power transmitted in a given direction can be increased by using that antenna instead of an isotropic radiator.

French

Domaine(s)
  • Émission et réception radio
  • Installations de télécommunications
OBS

Variation du gain d'une antenne de réception en fonction de la direction de réception.

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
  • Instalaciones de telecomunicaciones
DEF

Función que representa la ganancia isótropa de una antena en las diferentes direcciones del espacio.

Save record 1

Record 2 1989-06-27

English

Subject field(s)
  • Artificial Intelligence
CONT

A more advanced problem is function induction, where the interpreter is fixed, a set of input/output pars is given. The problem is to find the specification of a function that, when applied to all the inputs, gives the outputs.

French

Domaine(s)
  • Intelligence artificielle

Spanish

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