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Old June 24th 05, 04:52 PM
Cecil Moore
 
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Tom Donaly wrote:
Nothing, short of
a visitation by The Creator will make some of the correspondents
to this newsgroup change their thinking about how transmission
lines behave.


Hey Tom, what do you think about Ramo & Whinnery's assertion
in _Fields_and_Waves_... 2nd edition, page 291 " .. we are
often most interested in the ratio of power in the reflected
wave to that in the incident wave, and this ratio is given
by the square of the magnitude of [rho], as can be shown by
considering the Poynting vectors: Pz-/Pz+ = |rho|^2 (3)"

Note the plural "Poynting vectors", Pz- for reflected power
and Pz+ for forward power.
--
73, Cecil, http://www.qsl.net/w5dxp


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