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# semilitudes de ondas

## English translation: HALF-WAVELENGTHS

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 Spanish term or phrase: semilitudes de ondas English translation: HALF-WAVELENGTHS Entered by:

 15:11 Mar 19, 2001
Spanish to English translations [PRO]
Science
 Spanish term or phrase: semilitudes de ondas " Las condiciones para que se produzca la interferencia, es que entre ambas ondas exista una diferencia de fases, igual a un nmero impar de SEMILITUDES DE ONDAS, y ese es el momento de reposo y el sonido es nulo." Please HELP me! How would you translate this sentence? Also, is there such a thing as semilitud? or is it similitud?
 HALF-WAVELENGTHS Explanation:For an Engineer it is obvious that you have a typo in the original. It has to read: " Las condiciones para que se produzca la interferencia, es que entre ambas ondas exista una diferencia de fases, igual a un número impar de SEMILONGITUDES DE ONDAS, y ..." Meaning: The conditions for interference to arise is that between both waves there must exist an odd number of HALF-WAVELENGTHS, and... " When phases differ in a half wavelength, then the peak of one wave meets the valley of the other, and both will cancel, yielding an amplitude equal to the difference of amplitude of both components. This has nothing to do with SIMILAR waves, and of course there are no "semilitudes" in Spanish Greetings!
Selected response from:

two2tango
Argentina
Local time: 10:25
 Un millón de gracias. Además tu explicación ha aclarado otras dudas que se presentan en el resto del documento debido a los errores que tiene. Saludos.4 KudoZ points were awarded for this answer

Summary of answers provided
nawave similarities
 Parrot
naSee below
 Davorka Grgic
naHALF-WAVELENGTHS
 two2tango
nawave similarity
 Davorka Grgic
nawave similarities
 Brigitte Gendebien
nasimilitudes de ondas: wave similaritiesMaria McCollum

13 mins
similitudes de ondas: wave similarities

Explanation:
similitud: similarity, resemblance, similitude.
ondas: wave ( radio wave)

Good luck
;-)

diccionario Vox esencial de la lengua espanola sinonimos y antonimos.
 Maria McCollumLocal time: 09:25Native speaker of: SpanishPRO pts in pair: 24

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15 mins
wave similarity

Explanation:

It is definitely SIMILARITUD.

See:

... A. Merlen: Generalization of the muzzle wave similarity rules Shock
Waves 9 (1999) 5, 341-352 Article in PDF format (388 KB). ...
link.springer.de/link/service/journals/00193/tocs/t9009005.htm - 5k - Cached - Similar pages

Similar pages

Time dependent disks
... linearly in size with time (for ). This is similar to Shu's expansion wave similarity
solution for the collapse of a singular isothermal sphere, except that in ...
astron.berkeley.edu/~jrg/ay202/lectures/node112.html - 12k

Good luck.

Davorka

my profession (nuclear physics engineer)
web
 Davorka GrgicLocal time: 15:25Native speaker of: Croatian, SpanishPRO pts in pair: 498

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16 mins
wave similarities

Explanation:
Diferencia y similitudes en el efecto Doppler entre la luz y el sonido:

1. Las ondas electromagniticas (luz) no consisten en materia en movimiento, y por tanto, la velocidad de la fuente con respecto al medio no entra en el analisis no como en las ondas elasticas (sonido) que uno de los factores mas importantes es la velocidad de la fuente.

2. La velocidad de propagacisn en el vacmo es 'c' y el la misma para todos los observadores, independientemente de su velocidad relativa 'v'. Entonces, el efecto Doppler para ondas electromagniticas debe calcularse necesariamente mediante la teorma de la relatividad. (http://www.terra.es/personal2/physics/tarea2/simil.htm)

Generalization of the muzzle wave similarity rules (http://link.springer.de/link/service/journals/00193/bibs/900...

Reference: http://leo.worldonline.es/calambre/pulsar1.htm
Reference: http://www.uco.es/organiza/centros/ciencias/departamento_fis...
 Brigitte GendebienBelgiumLocal time: 15:25Native speaker of: FrenchPRO pts in pair: 117

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51 mins
identical waves

Explanation:
Take a look at the following:

See above
 Fuad YahyaNative speaker of: Arabic, EnglishPRO pts in pair: 193

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1 hr
HALF-WAVELENGTHS

Explanation:
For an Engineer it is obvious that you have a typo in the original. It has to read:
" Las condiciones para que se produzca la interferencia, es que entre ambas ondas exista una diferencia de fases, igual a un número impar de SEMILONGITUDES DE ONDAS, y ..."
Meaning:
The conditions for interference to arise is that between both waves there
must exist an odd number of HALF-WAVELENGTHS, and... "
When phases differ in a half wavelength, then the peak of one wave meets the valley of the other, and both will cancel, yielding an amplitude equal to the difference of amplitude of both components. This has nothing to do with SIMILAR waves, and of course there are no "semilitudes" in Spanish
Greetings!

 two2tangoArgentinaLocal time: 10:25Native speaker of: SpanishPRO pts in pair: 724

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1 hr
wave similarities

Explanation:
Let's see that sentence again:
The condition that generates the interference is (basically) that there exists a difference of phase between both waves that is equal to an odd number of wave similarities, and this is the moment of repose wherein the sound is null (or mathematically approaches zero).
Okay?

 ParrotSpainLocal time: 15:25Native speaker of: EnglishPRO pts in pair: 7645
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9 hrs
See below

Explanation:
I would like to apologize for a completely wrong and misleading answer I proposed above.

First of all I did not read the text properly, secondly, I was misleaded with my recent work where I used Shu´s expansion (which has to do with the wave similarity).

The concept described in your peace of text is a basic concept of the wave mechanics. It is a good old cancellation of two equal waves (equal amplitude and wavelenght)when their fase difference equals half the wavelenght.

two4tango has the correct answer.

I apologize onice again.

Davorka

 Davorka GrgicLocal time: 15:25Native speaker of: Croatian, SpanishPRO pts in pair: 498
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