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Jim Kelley wrote:
Cecil Moore wrote: Jim Kelley wrote: Problem is that it conflicts with the predictions made by the power propagation model. (The politically correct name is the Joules/sec propagation model.) That model shows that only a single reflection of power is needed to explain the whole thing. Of course in some cases the wave of power has to figure out how to turn around and go back the other direction after it's been cancelled in order to conserve energy. (A problem it wouldn't have to solve had it not violated it in the first place.) Admittedly, some of the details have yet to be worked out. :-) Wow Jim, you need to repeat Fields and Waves 310. :-) You have misunderstood virtually every principle of the wave reflection model. I wouldn't presume to take credit for any of the above. I learned it on r.r.a.a. from someone who I think needs to take Fields and Waves 1. :-) If you are talking about me, you have either misunderstood what I said or you enjoy bearing false witness. Here's a quote from my 2005 magazine article at: http://www.w5dxp.com/energy.htm "The author has endeavored to satisfy the purists in this series of articles. The term "power flow" has been avoided in favor of "energy flow". Power is a measure of that energy flow per unit time through a plane. Likewise, the EM fields in the waves do the interfering. Powers, treated as scalars, are incapable of interference. Any sign associated with a power in this paper is the sign of the cosine of the phase angle between two voltage phasors." Also, here is an EXCEL spreadsheet version of what happens during the transient buildup to steady-state. http://www.w5dxp.com/1secsgat.gif Do you really consider 30 iterations to be only a single reflection? -- 73, Cecil http://www.w5dxp.com |
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