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Untitled Prezi

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by

Cláudio Barros Queiroz

on 3 April 2013

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Transcript of Untitled Prezi

Template by Missing Link
Images from Shutterstock.com MICROONDAS
(DIATERMIA) -Forma de termoterapia;
-Ondas eletromagnéticas de alta frequência de 2450MHz;
-Comprimento de onda eletromagnética de 12,25cm.
DEFINIÇÃO
-Frequência (MHz) Comprimento onda

2450 MHz 12,245cm
915 MHz 32,79cm
433,9 MHz 69,14cm

-Na Europa são usadas as três frequências; nos E.U.A apenas as duas primeiras. Produção das ondas eletromagnéticas válvula especial (Magnétron).

Emissão por uma antena, que é o próprio eletrodo.

Sofrem reflexão, dispersão e absorção;
Full transcript