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Efficiency
It is oftimes said that parasitic elements of a yagi absorb
radiatiation and then reradiate half of what it received. Is this meaning that it only absorbs half of the radiation applied in its direction and where it then reradiates 100% of its radiation? It apears to be a simple question depending how one looks at it in terms of efficiency which could mean anything. Now in my unreleased Gaussian antenna array there is no interaction with respect to radiation as radiation cannot occur outside until the enclosed border is breached. On the face of it one then can assume that a yagi is not really efficient depending how one uses terms that have a special definition because of absorbed radiation. Thoughts! Auguments!. Trashing, or what ever trips your trigger. Just when you thought that Gaussian arrays would go away a thing like this comes along, go figure. ( Don't forget Pointings vector and what it implies.grin) Art |
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