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Tarmo Tammaru wrote:
there would be no other explanation for standing waves, May I suggest that you consider charge. Consider how static charge can store energy in the capacitance of the line. Consider how moving charge can store energy in the inductance of the line. Consider how the charge moves to change the energy distribution within the line. Do it for a pulse of charge; then for multiple pulses. Consider what happens when the pulses collide; consider pulses of the same polarity and different. Do it for a step of charge; then make the step so long it looks like DC. Do it for sinusoids. Do it for opens, shorts and terminated lines. Do it for matched, unmatched and disconnected sources (disconnect just after injecting the pulse, step or sinusoid). Do it for sources at both ends of the lines. And soon you will have an explanation which does not require waves travelling up and down the line to explain the observed voltages and currents of the standing 'wave'. ....Keith |
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Conservation of Energy | Antenna |