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ZONA FRESNEL [2 records]
Record 1 - internal organization data 2003-01-30
Record 1, English
Record 1, Subject field(s)
- Radio Transmission and Reception
- Telecommunications Facilities
Record 1, Main entry term, English
- Fresnel region
1, record 1, English, Fresnel%20region
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- Fresnel zone 2, record 1, English, Fresnel%20zone
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The region near the [antenna] system where the wavelets arriving from the various parts of the system cannot be considered to follow parallel paths. 3, record 1, English, - Fresnel%20region
Record number: 1, Textual support number: 1 OBS
of a transmitting [antenna] system. 3, record 1, English, - Fresnel%20region
Record 1, French
Record 1, Domaine(s)
- Émission et réception radio
- Installations de télécommunications
Record 1, Main entry term, French
- région de Fresnel
1, record 1, French, r%C3%A9gion%20de%20Fresnel
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- zone de Fresnel 2, record 1, French, zone%20de%20Fresnel
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Région de l'espace voisine d'une antenne d'émission, où les ondes provenant des diverses parties de l'antenne ne peuvent pas être considérées comme suivant des directions parallèles. 1, record 1, French, - r%C3%A9gion%20de%20Fresnel
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Radiotransmisión y radiorrecepción
- Instalaciones de telecomunicaciones
Record 1, Main entry term, Spanish
- región de Fresnel
1, record 1, Spanish, regi%C3%B3n%20de%20Fresnel
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- zona de Fresnel 1, record 1, Spanish, zona%20de%20Fresnel
correct, feminine noun, Mexico
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Región cercana al sistema de la antena donde las pequeñas ondas que llegan desde las diversas partes del sistema no pueden ser consideradas como ondas que siguen trayectos paralelos. 1, record 1, Spanish, - regi%C3%B3n%20de%20Fresnel
Record number: 1, Textual support number: 1 OBS
De un sistema de transmisión por antenas. 1, record 1, Spanish, - regi%C3%B3n%20de%20Fresnel
Record 2 - internal organization data 2002-11-12
Record 2, English
Record 2, Subject field(s)
- Radio Waves
- Radio Transmission and Reception
Record 2, Main entry term, English
- Fresnel zone
1, record 2, English, Fresnel%20zone
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
On a specified surface, often plane, a zone such that the sum of the distances from the transmitting [antenna] and receiving [antenna] to any point in the zone does not vary by more than a wavelength throughout the zone. 2, record 2, English, - Fresnel%20zone
Record 2, French
Record 2, Domaine(s)
- Ondes radioélectriques
- Émission et réception radio
Record 2, Main entry term, French
- zone de Fresnel
1, record 2, French, zone%20de%20Fresnel
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- zone Fresnel 2, record 2, French, zone%20Fresnel
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Ensemble des points d'une surface spécifiée, généralement plane, pour lesquels la somme des distances aux antennes d'émission et de réception supposées ponctuelles ne varie pas de plus d'une demi-longueur d'onde. 1, record 2, French, - zone%20de%20Fresnel
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Ondas radioeléctricas
- Radiotransmisión y radiorrecepción
Record 2, Main entry term, Spanish
- zona de Fresnel
1, record 2, Spanish, zona%20de%20Fresnel
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
En una superficie determinada, a menudo un plano, zona tal que la suma de las distancias desde la antena transmisora y la antena receptora a cualquier punto en la zona no difiere en más de media longitud de onda a lo largo y ancho de la zona. 1, record 2, Spanish, - zona%20de%20Fresnel
Record number: 2, Textual support number: 1 CONT
Asociado con una antena transmisora y una antena receptora determinada. Cuando la propagación tiene lugar sobre una superficie irregular, la cantidad por la cual el rayo directo entre la antena transmisora y la receptora aparta cualquier rasgo determinado de la superficie se expresa a menudo en términos de zonas de Fresnel, así por ejemplo, si la suma de las distancias desde la antena transmisora y la antena receptora a lo alto de una montaña es un longitud de onda más larga que el rayo directo, se dice que el rayo tiene un despeje de dos zonas de Fresnel. 1, record 2, Spanish, - zona%20de%20Fresnel
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