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Owen Duffy wrote:
This gets confusing. You are talking about "the amount of EM wave energy contained in a transmission line" and now you qualify it with "values averaged over an integer number of RF cycles in one second". Average energy over time is POWER... are you talking about power and foxing us by calling it energy. I am confused. I have been convinced by Jim, AC6XG, to abandon the word "power" because of the difference in definitions between the field of physics and the field of RF engineering. Jim would argue with you and say that average energy over time is NOT necessarily POWER and is only power if actual work is done which, of course, is not done by a reflected wave. So you need to go off and argue with Jim over the definition of "power". Instead of talking about power, Jim has convinced me to talk about watts or joules/sec which he says are not necessarily power. The confusion comes from the field of physics, not from me. While you are talking to Jim, get him to explain the definition of "transfer". -- 73, Cecil http://www.w5dxp.com |
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