TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
LOBULO LATERAL [4 records]
Record 1 - internal organization data 2024-08-16
Record 1, English
Record 1, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Radio Transmission and Reception
Record 1, Main entry term, English
- side lobe
1, record 1, English, side%20lobe
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- side-lobe 2, record 1, English, side%2Dlobe
correct, officially approved
- sidelobe 3, record 1, English, sidelobe
correct, officially approved
- secondary lobe 4, record 1, English, secondary%20lobe
correct
- minor lobe 5, record 1, English, minor%20lobe
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A lobe of an antenna's far-field radiation pattern other than the main beam. 6, record 1, English, - side%20lobe
Record number: 1, Textual support number: 1 CONT
The side lobes or minor lobes are an unavoidable consequence of the finite size of the antenna. Though undesirable, they ordinarily contain much less power than the main lobe. 7, record 1, English, - side%20lobe
Record number: 1, Textual support number: 1 OBS
side lobe: designation and definition officially approved by the Joint Terminology Panel. 8, record 1, English, - side%20lobe
Record number: 1, Textual support number: 2 OBS
side-lobe: designation officially approved by the International Civil Aviation Organization (ICAO) and by the RADARSAT-2 Terminology Approval Group (RTAG). 9, record 1, English, - side%20lobe
Record number: 1, Textual support number: 3 OBS
sidelobe: term officially approved by the Electronics and Telecommunications Terminology Committee (CUTEL). 10, record 1, English, - side%20lobe
Record 1, French
Record 1, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Émission et réception radio
Record 1, Main entry term, French
- lobe secondaire
1, record 1, French, lobe%20secondaire
correct, masculine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- lobe latéral 2, record 1, French, lobe%20lat%C3%A9ral
correct, masculine noun, officially approved
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Lobe du diagramme de rayonnement en champ lointain d'une antenne autre que le faisceau principal. 3, record 1, French, - lobe%20secondaire
Record number: 1, Textual support number: 1 OBS
lobe latéral : désignation et définition uniformisées par le Groupe d'experts en terminologie interarmées. 4, record 1, French, - lobe%20secondaire
Record number: 1, Textual support number: 2 OBS
lobe secondaire : désignation uniformisée par l'Organisation de l'aviation civile internationale (OACI), par le Groupe de travail de la terminologie de RADARSAT-2 [GTTR] et par le Comité d'uniformisation des termes de l'électronique et des télécommunications (CUTEL). 5, record 1, French, - lobe%20secondaire
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Guía radárica, radioguía y radiogoniometría
- Radiotransmisión y radiorrecepción
Record 1, Main entry term, Spanish
- lóbulo lateral
1, record 1, Spanish, l%C3%B3bulo%20lateral
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2019-10-03
Record 2, English
Record 2, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Aircraft Piloting and Navigation
Record 2, Main entry term, English
- dynamic side-lobe level
1, record 2, English, dynamic%20side%2Dlobe%20level
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The level is exceeded 3 per cent of the time by the scanning antenna far field radiation pattern exclusive of the main beam as measured at the function scan rate using a 26 kHz beam envelope video filter. The 3 per cent level is determined by the ratio of the side-lobe duration which exceeds the specified level to the total scan duration. 1, record 2, English, - dynamic%20side%2Dlobe%20level
Record number: 2, Textual support number: 1 OBS
dynamic side-lobe level: designation and definition officially approved by the International Civil Aviation Organization (ICAO). 2, record 2, English, - dynamic%20side%2Dlobe%20level
Record 2, French
Record 2, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Pilotage et navigation aérienne
Record 2, Main entry term, French
- niveau dynamique des lobes secondaires
1, record 2, French, niveau%20dynamique%20des%20lobes%20secondaires
correct, masculine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Niveau dépassé pendant 3 % du temps par le diagramme de rayonnement en champ lointain de l'antenne de balayage, en dehors du faisceau principal, lorsque la mesure est effectuée à la cadence de balayage de la fonction à l'aide d'un filtre vidéo d'enveloppe de faisceau de 26 kHz. Le niveau de 3 % est déterminé par le rapport du temps pendant lequel les lobes secondaires dépassent le niveau spécifié à la durée totale du balayage. 1, record 2, French, - niveau%20dynamique%20des%20lobes%20secondaires
Record number: 2, Textual support number: 1 OBS
niveau dynamique des lobes secondaires : désignation et définition uniformisées par l'Organisation de l'aviation civile internationale (OACI). 2, record 2, French, - niveau%20dynamique%20des%20lobes%20secondaires
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Guía radárica, radioguía y radiogoniometría
- Pilotaje y navegación aérea
Record 2, Main entry term, Spanish
- nivel dinámico de lóbulo lateral de antena
1, record 2, Spanish, nivel%20din%C3%A1mico%20de%20l%C3%B3bulo%20lateral%20de%20antena
correct, masculine noun, officially approved
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Nivel excedido durante el 3 % del tiempo por el diagrama de radiación en campo lejano de la antena de exploración, con exclusión del haz principal, medido en el régimen de exploración de la función mediante el empleo de un filtro de vídeo de envolvente de haz de 26 kHz. El nivel del 3 % se determina mediante la relación entre el tiempo durante el cual los lóbulos laterales exceden el nivel especificado a la duración total de la exploración. 1, record 2, Spanish, - nivel%20din%C3%A1mico%20de%20l%C3%B3bulo%20lateral%20de%20antena
Record number: 2, Textual support number: 1 OBS
nivel dinámico de lóbulo lateral de antena: designación y definición aceptadas oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 2, Spanish, - nivel%20din%C3%A1mico%20de%20l%C3%B3bulo%20lateral%20de%20antena
Record 3 - internal organization data 2019-10-03
Record 3, English
Record 3, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Air Traffic Control
Record 3, Main entry term, English
- effective side-lobe level
1, record 3, English, effective%20side%2Dlobe%20level
correct, officially approved
Record 3, Abbreviations, English
- ESL 1, record 3, English, ESL
correct, officially approved
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
That level of scanning beam side lobe which in a specified multipath environment results in a particular guidance angle error. 1, record 3, English, - effective%20side%2Dlobe%20level
Record number: 3, Textual support number: 1 OBS
effective side-lobe level; ESL: designations and definition officially approved by the International Civil Aviation Organization (ICAO). 2, record 3, English, - effective%20side%2Dlobe%20level
Record 3, French
Record 3, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Circulation et trafic aériens
Record 3, Main entry term, French
- niveau efficace des lobes secondaires
1, record 3, French, niveau%20efficace%20des%20lobes%20secondaires
correct, masculine noun, officially approved
Record 3, Abbreviations, French
- ESL 1, record 3, French, ESL
correct, masculine noun, officially approved
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Niveau des lobes secondaires de faisceau battant qui, dans un environnement de multitrajets spécifié, se traduit par une erreur particulière de l'angle de guidage. 1, record 3, French, - niveau%20efficace%20des%20lobes%20secondaires
Record number: 3, Textual support number: 1 OBS
niveau efficace des lobes secondaires; ESL : désignations et définition uniformisées par l'Organisation de l'aviation civile internationale (OACI). 2, record 3, French, - niveau%20efficace%20des%20lobes%20secondaires
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Guía radárica, radioguía y radiogoniometría
- Control de tránsito aéreo
Record 3, Main entry term, Spanish
- nivel eficaz de lóbulo lateral
1, record 3, Spanish, nivel%20eficaz%20de%20l%C3%B3bulo%20lateral
correct, masculine noun, officially approved
Record 3, Abbreviations, Spanish
- ESL 1, record 3, Spanish, ESL
correct, masculine noun, officially approved
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Nivel del lóbulo lateral del haz explorador que en un medio determinado de trayectos múltiples resulta en un error especificado de ángulo de guía. 1, record 3, Spanish, - nivel%20eficaz%20de%20l%C3%B3bulo%20lateral
Record number: 3, Textual support number: 1 OBS
nivel eficaz de lóbulo lateral; ESL: designaciones y definición aceptadas oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 3, Spanish, - nivel%20eficaz%20de%20l%C3%B3bulo%20lateral
Record 4 - internal organization data 2002-12-09
Record 4, English
Record 4, Subject field(s)
- Radio Transmission and Reception
Record 4, Main entry term, English
- back lobe
1, record 4, English, back%20lobe
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- rear lobe 2, record 4, English, rear%20lobe
correct
- back side lobe 2, record 4, English, back%20side%20lobe
correct
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A lobe the axis of which makes an angle in the neighbourhood of 180 degrees with the forward direction of the axis of the main lobe of the array. 3, record 4, English, - back%20lobe
Record 4, French
Record 4, Domaine(s)
- Émission et réception radio
Record 4, Main entry term, French
- lobe arrière
1, record 4, French, lobe%20arri%C3%A8re
correct, masculine noun, standardized
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Lobe de rayonnement, de direction sensiblement opposée à celle du lobe principal de l'antenne. 1, record 4, French, - lobe%20arri%C3%A8re
Record number: 4, Textual support number: 1 OBS
lobe arrière : terme et définition normalisés par l'AFNOR. 2, record 4, French, - lobe%20arri%C3%A8re
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Radiotransmisión y radiorrecepción
Record 4, Main entry term, Spanish
- lóbulo posterior
1, record 4, Spanish, l%C3%B3bulo%20posterior
correct, masculine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
- lóbulo trasero 1, record 4, Spanish, l%C3%B3bulo%20trasero
masculine noun
- lóbulo lateral posterior 1, record 4, Spanish, l%C3%B3bulo%20lateral%20%20posterior
masculine noun, Mexico
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Lóbulo cuyo eje hace un ángulo de cerca de 180°, con el sentido directo del eje del lóbulo principal de la red. 2, record 4, Spanish, - l%C3%B3bulo%20posterior
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified:


