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Old October 30th 07, 02:23 AM posted to rec.radio.amateur.antenna
Cecil Moore[_2_] Cecil Moore[_2_] is offline
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First recorded activity by RadioBanter: Mar 2007
Posts: 3,521
Default question about wire antenna and tuner

Jim Kelley wrote:
Physical objects redistribute energy.


If you consider a Z01 to Z02 impedance discontinuity
to be a "physical object" then I agree.

Interference simply describes its spacial distribution.


Interference, the noun event, is somewhere in the chain
of *events* between the reflections caused by the impedance
discontinuity and the spacial (re)distribution of energy.
Interference, the noun event, is a subset of superposition,
i.e. not all superposition results in interference.

Interference, the adjective, as in the "interference pattern",
describes the results of interference, the noun event. The
interference pattern describes the spacial distribution.

Maybe your answer to the following question will shed
some light on what you think is our disagreement.

In the RF fields in free space surrounding a dipole,
exactly where are the physical objects that redistribute
the energy? As I understand it, each segment is considered
to be a unit radiator and the radiation interference pattern
is the calculated result of the interference events in free
space in the far field.
--
73, Cecil http://www.w5dxp.com