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#11
July 5th 10, 02:38 PM
posted to rec.radio.amateur.antenna
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what happens to reflected energy ?
On Jul 5, 1:16*pm, Cecil Moore wrote:
On Jul 4, 8:26*pm, Keith Dysart wrote: Are you suggesting that an open circuited transmission line excited with a step function takes infinitely long to read steady state? Your infinitely long open-circuited transmission line example certainly takes infinitely long to reach steady-state so the leading- edge EM wave continues forever with zero reflected EM waves and your argument involving reflected waves falls apart. Your finite open-circuited transmission line example reaches DC steady- state where EM waves cease to exist so your argument involving forward and reflected waves falls apart. -- 73, Cecil, w5dxp.com 'dc steady state' is an oxymoron... |
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