On 25 mayo, 03:35, Richard Clark wrote:
On Mon, 24 May 2010 17:17:41 -0700 (PDT), lu6etj
wrote:
PSE, with the due respect and consideration toward you an the
distinguished colleagues and friends, Would you mind return to the
original question? (sorry if it is not this the most polite form to
ask it)
Hi Miguel,
I presume by "original question" you mean:
On Mon, 24 May 2010 13:06:19 -0700 (PDT), lu6etj wrote:
żAbsorb the reflected power or amortiguate the effects of variyng load
impedance?
The answer is YES.
Now, if you mean by absorb that all absorbtion results in heat, then
the answer is NO.
If you mean by absorb that all energy is combined in a load, then the
answer is YES.
The difference between YES and NO is the PHASE differences of the two
energies that are combined.
73's
Richard Clark, KB7QHC
Hi all
First the first: Sorry Szczepan, do not feel upset I wanted to say
"Me" don't go off topic with my own answers, not you.
Very interesting comments!
I think we must agree on meaning of words and basement concepts
employed to discuss these matters, otherwise we end up talking about
different "things" (Babel curse what confuses our tongues). If we do
not agree with meaning of, for example, "interaction", how can we
reach an agreement on much more complex things that depend on this
word/concept?
This is not a criticism to anyone, is only my point of view about what
I think is a partial source of apparently irreductible positions in
the group.
I believe Richard, K1TTT and me, have sinchronized minds about
"Interaction" word/concept meaning. I suppose must be a more deep
underlying assumptios that make it possible. However I believe I
understand the "idea" underlying Cecil concept about "interaction" and
I believe I can "see" his point, To me, Cecil's interaction concept it
is a very common idea, I do not think Cecil be a "hard to die" man :)
I think we have to do our more honest efforts to sinchronize ideas.
I do not want to go off topic, but let me bring a couple of thinkings
to the table (they are not mine).
* Students come into our classrooms with an established world-view,
formed by years of prior experience and learning.
* Even as it evolves, a student's world-view filters all experiences
and affects their interpretation of observations.
* Students are emotionally attached to their world-views and will not
give up their world-views easily.
* Challenging, revising, and restructuring one's world-view requires
much effort.
(from
http://srri.umass.edu/topics/constructivism)
Why these above things would not happen to me?
......
Returning: Cecil, given A+B=C, do you you see C as result of an
interaction (or mutual action) among A and B, or C a simply result of
A added to B?
Another question to clarify my undestanding of your propositions: do
you see waves interacting themselves in a discontinuity, or you see
them interacting with the discontinuity? or both phenomena at the same
time?. Change discontinuity for load and please tell me.
Richard, you said: -"Because" leads to superstition-; you are pointing
to causal relations?
I believe was you who said dislike representations, if it is yes, were
you aiming to create mental images of physical phenomena?
Here we often use the word "methafor" in figured sense instead
"analogy", for example, "my car it is as strong as a locomotive" it is
a true methaphor. In metaphor, there are two levels or terms: the real
(my car) and evoked or imaginary (locomotive). Coulored water is it a
true methaphor or an analogy?
Simple analogies as useful things until one (or more) of they not
work... then, ciao analogy..!, not so bad :), however... notice!, our
ideas are not equal to the "out there" world. Concepts, models,
(mathematical models also, of course)... are not they our mind's
"analogies" "out there" sensorial/injstrumental perceived world?
These are not trivial epistemology issues, our "observer" leads
directly to the question about "Is the moon there when nobody
looks?" (N. D.Mermin). When we go out of our classic-simplistic-
realistic-traditional ham world... "we are in troubles, Houston",
slippery soil!, I make the sign of the cross! :)
K1TTT said: -Standing waves are a figment of your instrumentation-. My
dictionary translates "figment" as "product" or "chimera", please,
tell me what word should I use to correctly read the sentence?
73
Miguel Ghezzi - LU6ETJ