Glossary entry

Portuguese term or phrase:

Grandeza analógica

English translation:

analog signal/analog value/analog magnitude

Added to glossary by Sonny Tissot
Feb 16, 2009 13:30
15 yrs ago
5 viewers *
Portuguese term

Grandeza analógica

Portuguese to English Tech/Engineering Science (general) grandeza
Context:

Quando é necessário medir uma grandeza analógica é feita previamente a sua conversão para digital. Por exemplo, quando uma placa de som capta um sinal de voz, essencialmente analógico, esse som é armazenado dentro do micro de forma digital, cada nível do sinal sendo rapidamente convertido
num número equivalente, num processo conhecido como conversão analógico-digital.

------------------------
Sinais analógicos são sinais que variam continuamente e cada variação, pormenor que seja, tem importância. Teoricamente, os sinais analógicos assumem infinitos valores entre uma determinada medida e outra.
Exemplos de grandezas analógicas são a temperatura, força, peso, comprimento.

http://fredbf.com/disciplinas/unibratec/dhd/fechine/DHD_Cap3...


There are also many translations for "grandeza" in proz glossary (magnitude, value, unit, quantity). So, I wonder which one is correct in this case.

Thank you.

Proposed translations

+1
51 mins
Selected

analog signal

Não creio que "grandeza" se aplique em inglês, embora usado em português. Favor comparar os dois textos abaixo.

In electronics, a digital-to-analog converter (DAC or D-to-A) is a device for converting a digital (usually binary) code to an analog signal (current, voltage or electric charge).
http://en.wikipedia.org/wiki/Digital-to-analog_converter

Um DAC (acrónimo para a expressão em língua inglesa Digital-to-Analog Converter), em português conversor digital-analógico, é um circuito eletrônico capaz de converter uma grandeza digital (por exemplo um código binário) em uma grandeza analógica (normalmente uma tensão ou uma corrente).
http://pt.wikipedia.org/wiki/Conversor_digital-analógico
Peer comment(s):

agree Bentevi : What is measured is the signal. The analog value is the result of that measurement.
1 hr
Correct!
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "I had put "signal," but I was not too sure. Anyway, I will keep three possibilities in the glossary and people may choose the one that best fits their context. Thank you all very much."
+1
4 mins

analog magnitude

please see ref.:
www.staff.u-szeged.hu/~krajcsi/kutatas/ecvpposter.pdf
www.ling.umd.edu/events/syntax/fall07/Fults.pdf

... Analog magnitude models accurately describe the abilities of many species ( ...
Note from asker:
Muito obrigado!
Peer comment(s):

agree kashew : For a signal etc. that sounds spot on.
13 mins
Thank you kashew, have a great day!
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5 mins

analogic measurement

general...
Note from asker:
Muito obrigado!
Something went wrong...
6 mins

analog size

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Mike :)
Note from asker:
Muito obrigado!
Something went wrong...
+1
18 mins

Analog value

Sorry tissot, you are receiving all the possibilities as recommendations!

In this context, you can use either 'value' or 'magnitude'.

Your text concerns Analog-to-digital converters. This comes from a text on these devices:
http://encyclopedia2.thefreedictionary.com/Analogue-digital ...

"Analog-to-digital converter: A device for converting the information contained in the value or magnitude of some characteristic of an input signal, compared to a standard or reference, to information in the form of discrete states of a signal, usually with numerical values assigned to the various combinations of discrete states of the signal.

"Analog-to-digital (A/D) converters are used to transform analog information, such as audio signals or measurements of physical variables (for example, temperature, force, or shaft rotation) into a form suitable for digital handling, which might involve any of these operations: (1) processing by a computer or by logic circuits, including arithmetical operations, comparison, sorting, ordering, and code conversion, (2) storage until ready for further handling, (3) display in numerical or graphical form, and (4) transmission."

I'd go for 'value', if that fits well with surrounding text.

--------------------------------------------------
Note added at 20 mins (2009-02-16 13:51:15 GMT)
--------------------------------------------------

Another example of usage:
http://en.wikipedia.org/wiki/Analog-to-digital_converter

"Most ADCs are of a type known as linear, although analog-to-digital conversion is an inherently non-linear process (since the mapping of a continuous space to a discrete space is a piecewise-constant and therefore non-linear operation). The term linear as used here means that the range of the input values that map to each output value has a linear relationship with the output value."
Note from asker:
Thank you, Mike
Peer comment(s):

agree José Henrique Moreira
1 day 8 hrs
Something went wrong...
+1
34 mins

analog quantity

Informática e processamento de dados
Note from asker:
Obrigado, Teresa
Peer comment(s):

agree rhandler
5 hrs
Something went wrong...
2624 days

analog phenomena

"temperatura, força, peso, comprimento" etc can be measured by digital or analog means, but, per se, have no "signal."
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