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Roger wrote:
Cecil Moore wrote: Assume a constant power source and you will get the results that Roy is talking about. No, because you would find two waves of equal voltage and current traveling in opposite directions, always arriving at exactly out of phase, at the source. No, because a *constant power source* is pumping joules/second into the system no matter what voltage or current it requires to move those joules/second into the system. It's like the power source in "Forbidden Planet". Now the question here is "Do the waves bounce off one another?" Waves do NOT "bounce" off one another. At a physical impedance discontinuity, the component waves can superpose in such a way as to redistribute their energy contents in a different direction. (Redistribution of energy in a different direction in a transmission line implies reflections.) In the absence of a physical impedance discontinuity, waves just pass through each other. www.mellesgriot.com/products/optics/oc_2_1.htm micro.magnet.fsu.edu/primer/java/scienceopticsu/interference/waveinteractions/index.html -- 73, Cecil http://www.w5dxp.com |
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