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![]() Cecil Moore wrote: On Jun 4, 5:39 pm, "Tom Donaly" wrote: Maybe you'll tell me who you think thinks waves of any sort can't be reflected. I haven't run into anyone who thinks EM waves can't be reflected, refracted, etc. Maybe there's a misunderstanding somewhere. I don't want to get personal but if you have followed the reflected wave arguments, you know who they are. Some simple true/false questions will highlight the argument. 1. Do reflected EM waves actually exist in reality? 2. Is the reflected EM wave a traveling wave? 3. Does a reflected EM wave obey the rules for traveling waves? 4. Do reflected EM waves contain ExB joules/second? 5. Do reflected EM waves have any effect on forward waves in a constant Z0 environment? 6. Do standing EM waves superceed and obsolete the component traveling waves? 7. Does reflected EM energy violate the laws of physics by standing still within the standing wave? 8. Does reflected EM energy violate the laws of physics by just "sloshing" around? 9. Does reflected EM energy travel in the reverse direction at VF(c) until it encounters an impedance discontinuity? 10. Is it valid to consider the forward EM traveling wave and the reflected EM traveling wave separately and then superpose the resulting fields (voltages, currents)? 11. Are the decades-old EM wave intensity equations from the field of optics valid for an RF EM wave analysis? 12. Can standing wave current be used to determine the delay through a 75m mobile loading coil? 13. Is the current "drop" through that loading coil just an illusion caused by superposition of forward and reflected currents? 14. Would the delay be different if only a forward traveling wave was used for measurement purposes? It's ridiculous to assert that someone "thinks EM waves can't be reflected" based on the fact that they might happen to take issue with one or more of your speculations on the laundry list shown above. ac6xg |
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