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IMPEDANCE MISMATCH [4 records]
Record 1 - internal organization data 2023-01-10
Record 1, English
Record 1, Subject field(s)
- Telecommunications Transmission
- Radio Transmission and Reception
Record 1, Main entry term, English
- mismatch loss
1, record 1, English, mismatch%20loss
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Mismatch loss in transmission line theory is the amount of power expressed in decibels that will not be available on the output due to impedance mismatches and signal reflections. 2, record 1, English, - mismatch%20loss
Record 1, French
Record 1, Domaine(s)
- Transmission (Télécommunications)
- Émission et réception radio
Record 1, Main entry term, French
- perte due à la désadaptation
1, record 1, French, perte%20due%20%C3%A0%20la%20d%C3%A9sadaptation
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Transmisión (Telecomunicaciones)
- Radiotransmisión y radiorrecepción
Record 1, Main entry term, Spanish
- pérdida por desajuste
1, record 1, Spanish, p%C3%A9rdida%20por%20desajuste
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Hay cuatro cantidades que describen la efectividad de transferir energía de una línea a una carga o antena: la VSWR [relación de onda estacionaria de voltaje], el coeficiente de reflexión, la pérdida por desajuste y la pérdida de retorno. 1, record 1, Spanish, - p%C3%A9rdida%20por%20desajuste
Record 2 - internal organization data 2019-07-08
Record 2, English
Record 2, Subject field(s)
- Ultrasonography
Record 2, Main entry term, English
- acoustic shadow
1, record 2, English, acoustic%20shadow
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- shadow cone 2, record 2, English, shadow%20cone
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
If the sound encounters air or bone... the impedance mismatch is so great that almost all of the acoustic energy is reflected and nearly none is transmitted. This creates an acoustic shadow that obscures structures located deep to the air or bone. 1, record 2, English, - acoustic%20shadow
Record 2, French
Record 2, Domaine(s)
- Ultrasonographie
Record 2, Main entry term, French
- cône d'ombre
1, record 2, French, c%C3%B4ne%20d%27ombre
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- ombre acoustique 2, record 2, French, ombre%20acoustique
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] les cônes d'ombre apparaissent quand les ultrasons rencontrent une structure plus atténuante que les structures voisines; dans ce cas (os, calcifications, air), il n'y a plus d'échos émis en arrière de la structure, d'où la présence d'une zone anéchogène [...] 3, record 2, French, - c%C3%B4ne%20d%27ombre
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Ecografía
Record 2, Main entry term, Spanish
- sombra acústica
1, record 2, Spanish, sombra%20ac%C3%BAstica
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2008-10-16
Record 3, English
Record 3, Subject field(s)
- Telecommunications
Record 3, Main entry term, English
- impedance mismatch 1, record 3, English, impedance%20mismatch
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
... echoes, for example, due to impedance mismatch at 4-wire/2-wire terminations external to the satellite link, may be present. 2, record 3, English, - impedance%20mismatch
Record 3, French
Record 3, Domaine(s)
- Télécommunications
Record 3, Main entry term, French
- désadaptation d'impédance
1, record 3, French, d%C3%A9sadaptation%20d%27imp%C3%A9dance
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- défaut d'adaptation d'impédance 2, record 3, French, d%C3%A9faut%20d%27adaptation%20d%27imp%C3%A9dance
masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
[...] il peut exister des échos dus, par exemple, aux défauts d'adaptation d'impédance dans les termineurs 4 fils/2 fils à l'extérieur de la liaison par satellite. 3, record 3, French, - d%C3%A9sadaptation%20d%27imp%C3%A9dance
Record 3, Key term(s)
- déséquilibrage des impédances
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Telecomunicaciones
Record 3, Main entry term, Spanish
- desadaptación de impedancias
1, record 3, Spanish, desadaptaci%C3%B3n%20de%20impedancias
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1987-02-25
Record 4, English
Record 4, Subject field(s)
- Radioelectricity
- Waveguides
- Aeroindustry
Record 4, Main entry term, English
- reflected power
1, record 4, English, reflected%20power
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
That power which is returned from the load to the source. 2, record 4, English, - reflected%20power
Record number: 4, Textual support number: 1 CONT
The [R.F. Power and V.S.W.R. Indicator Portable] tester when connected in series with the transmission line between the transmitter and the antenna will indicate the power transferred in the forward direction and the reflected power in the reverse direction. 3, record 4, English, - reflected%20power
Record number: 4, Textual support number: 1 OBS
In a transmission line, this is caused by a mismatch in impedance and produces standing waves in the line. 2, record 4, English, - reflected%20power
Record 4, French
Record 4, Domaine(s)
- Radioélectricité
- Guides d'ondes
- Constructions aéronautiques
Record 4, Main entry term, French
- puissance réfléchie
1, record 4, French, puissance%20r%C3%A9fl%C3%A9chie
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Dans une ligne de transmission RF, la portion de puissance qui retourne vers la source. 2, record 4, French, - puissance%20r%C3%A9fl%C3%A9chie
Record number: 4, Textual support number: 1 OBS
Ce phénomène, causé par un défaut d'adaptation des impédances, produit des ondes stationnaires dans la ligne. 2, record 4, French, - puissance%20r%C3%A9fl%C3%A9chie
Record number: 4, Textual support number: 2 OBS
puissance réfléchie : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9. 3, record 4, French, - puissance%20r%C3%A9fl%C3%A9chie
Record 4, Spanish
Record 4, Textual support, Spanish
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