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On Jun 9, 7:44*am, Keith Dysart wrote:
On Jun 8, 11:27*pm, lu6etj wrote: On 8 jun, 22:33, Keith Dysart wrote: On Jun 8, 8:54*am, Cecil Moore wrote: On Jun 8, 6:04*am, Keith Dysart wrote: It is too bad, because the time domain is quite enlightening. Nothing wrong with a time domain analysis but analyzing problems whose basic premises violate the laws of physics is a waste of my time and yours. I assume that you do not consider that the problems you propose to be ones "whose basic premises violate the laws of physics". Consider then, the problem you propose inhttp://www.w5dxp.com/nointfr..htm. A time domain analysis (http://sites.google.com/site/keithdysart/ radio6), demonstrates that the analysis presented inhttp://www.w5dxp.com/nointfr.htm results in the wrong answers. Perhaps you could locate a flaw in the time domain analysis. Finding a flaw would pretty much settle the matter. ...Keith Hi Cecil. Yes, good comment, definitions of terms specifying their meanings in each context avoid innecessary disagreements. I think that it is an essential predialogal "must". Keith: I just saw your web page =http://sites.google.com/site/keithdysart/radio3 where you seems disagree (please correct me if I am wrong) with our ideas about superposition principle. I search examples in the Net -for not paid the price of my hard and slow translations ;)- What do you think about them? http://www.physics.ucla.edu/demoweb/...osition/waveSu... http://www.phy.ntnu.edu.tw/ntnujava/...php?topic=18.0 Superposition works just fine for voltage and current, but is mostly invalid for power. Attempting to apply superposition to power will lead to inaccurate results. From any circuit analysis, superposition is used to find the voltages and the currents, and then the resulting total voltages and currents are used to compute powers. Doing it in the other order does not work. I am curious as to what I wrote on the web page that suggested disagreement with the superposition principle. ...Keith I should have mentioned that the two references you provide are superposing amplitude (i.e. voltage or current) and not power. |
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