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Preamble Sensitivity

Spanish translation: sensitividad referida al preámbulo

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:preamble sensitivity
Spanish translation:sensitividad referida al preámbulo
Entered by: Jennifer Levey

16:38 Apr 7, 2017
English to Spanish translations [PRO]
Tech/Engineering - Telecom(munications)
English term or phrase: Preamble Sensitivity
Agradecería sugerencias de traducción para la frase en cuestión.

Contexto (especificaciones de nueva serie de radios digital):

"SPECIFICATIONS
Preamble Sensitivity -125
Licensed Free Band
Licensed by the Federal Communications Commission (FCC) and Industry Canada to operate in the license-free 900 MHz ISM
(Industrial, Scientific and Medical) band.
RX Spur Emissions - radiated
< 43.5dBuV/m (3m)
TX Spurious Emissions - radiated
< 54dBuV/m
(3m) Audio Distortion < 3%
TX ACPR -50 dBc"
Rafael Echalar
Argentina
Local time: 00:33
sensitividad referida al preámbulo
Explanation:
The "preamble" (aka "run-in sequence") is a succession of alternating logic 1s and 0s which precede the sync word, and form part of the header of a digital data frame.

The preamble is a convenient point in the data-stream to measure receiver sensitivity, because it has a mark/space ratio of 1, and a well-defined mean signal level (DC component of the digital waveform); in contrast, all other parts of the data frame have variable mark/space ratio, variable DC component, and hence lead to unrepresentative measurements of receiver sensitivity.

www.seabrookewindows.com/dPG8XDnQy/
El preámbulo es una serie de ceros y unos que preceden a que lleguen los datos. Bloque de datos Ethernet. Los datos viajan en torno a redes en segmentos.

(Note: The webref refers to Ethernet systems, but the principle applies equally to any digital transmission whether wired or wireless.)
Selected response from:

Jennifer Levey
Chile
Local time: 23:33
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4sensitividad referida al preámbulo
Jennifer Levey
5 -1Sensitividad
Juan Gil


  

Answers


4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
preamble sensitivity
sensitividad referida al preámbulo


Explanation:
The "preamble" (aka "run-in sequence") is a succession of alternating logic 1s and 0s which precede the sync word, and form part of the header of a digital data frame.

The preamble is a convenient point in the data-stream to measure receiver sensitivity, because it has a mark/space ratio of 1, and a well-defined mean signal level (DC component of the digital waveform); in contrast, all other parts of the data frame have variable mark/space ratio, variable DC component, and hence lead to unrepresentative measurements of receiver sensitivity.

www.seabrookewindows.com/dPG8XDnQy/
El preámbulo es una serie de ceros y unos que preceden a que lleguen los datos. Bloque de datos Ethernet. Los datos viajan en torno a redes en segmentos.

(Note: The webref refers to Ethernet systems, but the principle applies equally to any digital transmission whether wired or wireless.)

Jennifer Levey
Chile
Local time: 23:33
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 226
Login to enter a peer comment (or grade)

31 mins   confidence: Answerer confidence 5/5 peer agreement (net): -1
preamble sensitivity
Sensitividad


Explanation:
La sensitividad (tambien llamada responsividad) es el nivel mínimo de señal que el receptor de un equipo de comunicaciones es capaz de detectar para poder trabajar. Esos -125 deben ser en dBm, lo cual le da un buen rango de operación para ser un equipo de uso sin repetición (dice licenced free band); estimo que con ese valor debe tener un rango de entre 2,5 a 3 km de cobertura, dependiendo de la potencia del transmisor.

--------------------------------------------------
Note added at 4 hrs (2017-04-07 20:48:38 GMT)
--------------------------------------------------

Asumo que la traducción se hace de un documento para audiencias técnicas, por lo que es suficiente lo indicado; en caso que sea para audiencias generales, colocaría Sensitividad (nivel mínimo de señal de funcionamiento).

Juan Gil
Venezuela
Local time: 23:33
Specializes in field
Native speaker of: Native in SpanishSpanish
PRO pts in category: 134

Peer comments on this answer (and responses from the answerer)
disagree  Jennifer Levey: What about "Preamble", which is an integral part of the term questioned by Asker?// Asker is a telecoms specialist (as I am myself...), so we already know how to translate "sensitivity". The problem word is "preamble" - you cannot simply ignore it.
1 hr
  -> Le parece que sea necesario en el contexto? Un experto que lea SENSITIVIDAD ya sabe de que se trata
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