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What is Pfwd and Pref with Complex Zo?

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September 12th 03, 12:55 AM

Dr. Slick

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wrote in message ...

I would dissagree with this last statement. The root mean square
is a type of averaging (not really just the average though), so how
could it be a function of position??

Consider a slotted line used to measure voltages for the computation
of VSWR. The measured voltage varies with position along the line
(assuming the line is not terminated by Z0). This voltage is the
Erms in the example above. Current behaves similarly.

...Keith

Read Richard's post. A slotted line would be if you wanted to
measure SWR DIRECTLY, dividing the Vmax by the Vmin. These would
NOT be the same as the forward and reverse Vrms values!

Slick

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