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On Jun 12, 1:23*pm, Cecil Moore wrote:
On Jun 12, 5:51*am, K1TTT wrote: rather than worrying about basic physics, the real problem here is that analysis of a non-linear circuit is being attempted using techniques that are only valid for linear circuits. Well, that's certainly one problem but I was talking about linear circuit analysis. When will the effects of linear wave cancellation be understood by the ham radio community? they won't because waves don't 'cancel' any more than they 'interact' in linear systems. they do superimpose which gives the illusion of cancellation and intensification. the worst thing causing amateurs problems is using power and trying to think about energy... neither one is a linear phenomenon, but they are often treated as such because of some simple cases where you can add and subtract powers... when someone who doesn't understand the restrictions fully tries to use powers on more general cases they get in trouble. that is why it is always better to use current or voltage where you can (in many more cases) add them linearly and be correct. of course then there are those who try to push even those restrictions back into non-linear realms, like amplifiers, and get into even more trouble. |
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