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ONDE DIRECTE [5 records]
Record 1 - internal organization data 2012-04-12
Record 1, English
Record 1, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
- Audio Technology
Record 1, Main entry term, English
- direct wave
1, record 1, English, direct%20wave
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A wave that is propagated directly through space. 2, record 1, English, - direct%20wave
Record number: 1, Textual support number: 1 CONT
Geometrical acoustics ... Energies of direct and reflected waves are considered to add irrespective of relative phase, a condition applicable to incoherent (i.e., uncorrelated) waves. 3, record 1, English, - direct%20wave
Record 1, French
Record 1, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
- Électroacoustique
Record 1, Main entry term, French
- onde directe
1, record 1, French, onde%20directe
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- onde sonore directe 2, record 1, French, onde%20sonore%20directe
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Si l'observateur est placé en espace libre, il entend seulement le bruit résultant de l'onde directement émise par la source. S'il est placé sur un sol réfléchissant, à l'onde directe s'ajoute une onde réfléchie dont les effets sonores se composent avec ceux de la première. Pratiquement, ceci déformera le spectre d'émission et se traduira par une augmentation de 0 à 6 dB du niveau global de pression acoustique, selon que le sol est un absorbant parfait ou un bon réflecteur. Si l'observateur est adossé à un mur réfléchissant, le niveau augmentera encore de 0 à 3 dB en pression acoustique. 3, record 1, French, - onde%20directe
Record number: 1, Textual support number: 2 CONT
[...] l'auditeur reçoit, outre l'onde directe, les ondes réfléchies sur les murs, le sol et le plafond, ce qui renforce l'intensité. 4, record 1, French, - onde%20directe
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Acústica (Física)
- Aislamiento y acústica arquitectónicos
- Electroacústica
Record 1, Main entry term, Spanish
- onda directa
1, record 1, Spanish, onda%20directa
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Onda que se propaga rectilíneamente desde la antena transmisora hasta la antena receptora sin recibir reflexión alguna desde otros objetos. 2, record 1, Spanish, - onda%20directa
Record 2 - internal organization data 2010-05-17
Record 2, English
Record 2, Subject field(s)
- Radar, Radio Guidance and Goniometry
Record 2, Main entry term, English
- ground-wave suppression 1, record 2, English, ground%2Dwave%20suppression
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Key term(s)
- ground wave suppression
Record 2, French
Record 2, Domaine(s)
- Radar, radioguidage et radiogoniométrie
Record 2, Main entry term, French
- suppression de l'onde directe
1, record 2, French, suppression%20de%20l%27onde%20directe
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-02-03
Record 3, English
Record 3, Subject field(s)
- Radar, Radio Guidance and Goniometry
Record 3, Main entry term, English
- ground wave
1, record 3, English, ground%20wave
correct, rare
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
In radio transmission, a surface wave that propagates close to the surface of the Earth. 1, record 3, English, - ground%20wave
Record number: 3, Textual support number: 1 OBS
The Earth has one refractive index and the atmosphere has another, thus constituting an interface that supports surface wave transmission. These refractive indices are subject to spatial and temporal changes. Ground waves do not include ionospheric and tropospheric waves. 1, record 3, English, - ground%20wave
Record 3, French
Record 3, Domaine(s)
- Radar, radioguidage et radiogoniométrie
Record 3, Main entry term, French
- onde directe
1, record 3, French, onde%20directe
correct, feminine noun, standardized
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
En radiodétection, signal reçu directement de l'émetteur par le récepteur d'un radiodétecteur. 2, record 3, French, - onde%20directe
Record number: 3, Textual support number: 1 OBS
onde directe : terme normalisé par la Commission électrotechnique internationale et l'AFNOR. 3, record 3, French, - onde%20directe
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-04-01
Record 4, English
Record 4, Subject field(s)
- Satellite Telecommunications
Record 4, Main entry term, English
- forward wave amplifier
1, record 4, English, forward%20wave%20amplifier
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, French
Record 4, Domaine(s)
- Télécommunications par satellite
Record 4, Main entry term, French
- amplificateur à onde directe
1, record 4, French, amplificateur%20%C3%A0%20onde%20directe
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1997-04-24
Record 5, English
Record 5, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 5, Main entry term, English
- direct wave 1, record 5, English, direct%20wave
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record 5, French
Record 5, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 5, Main entry term, French
- onde directe
1, record 5, French, onde%20directe
feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Onde de marée à caractère progressif qui se propage dans une mer à partir de sa communication avec un océan et qui est entretenue par la marée de ce dernier. 1, record 5, French, - onde%20directe
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Mecánica de fluidos e hidráulica (Física)
Record 5, Main entry term, Spanish
- onda directa
1, record 5, Spanish, onda%20directa
feminine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
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