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#11
July 8th 10, 11:38 PM
posted to rec.radio.amateur.antenna
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what happens to reflected energy ?
On 8 jul, 04:44, "Szczepan Bialek" wrote:
*"lu6etj" ... On 7 jul, 16:55, "Szczepan Bialek" wrote: This principle is used today to produce the light in the free electron laser:http://en.wikipedia.org/wiki/File:FEL_principle.png Yes, very interesting example (and device), Respect to DC current EM radiation, In that time Richard bring an interesting example of 20 kV electron rectilinear beam rendering a frequency of 34.6 EHz, the calculus it was quite right, but that frequency it is not EM waves radiated by electrons but a "matter wave' frequency... (idem with car analogy = not charged and acelerated cars :) do not radiates EM waves, but may have a matter wave asociated to them). Each waves are the matter waves. The speed is the particles mass dependent. |
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