Jim Kelley wrote:
Ok Cecil. I give up. You're right. The waves from the canceled
electromagnetic fields are there and they are not there.
You seem not to be able to separate the past from the
present, Jim. The electromagnetic fields were there
and now they are not there any more. Here is a before
and after example for you.
Given the following experiment with two signal generators
equipped with circulators and load resistors - the generators
are phased-locked to ensure coherency. The two feedlines
are of equal electrical lengths.
SGCL1 is turned on. SGCL2 is turned off.
100W | 25W
50 ohm---50 ohm line---+---291.4 ohm line---291.4 ohm
SGCL1 --Prev1 | SGCL2
What is Pref1 before SGCL2 is turned on? What is Pref1
after SGCL2 is turned on? Did Pref1 change after SGCL2
is turned on?
Since Pref1 *NEVER* encounters the impedance discontinuity
how can it possibly be affected by SGCL2 being turned on?
--
73, Cecil
http://www.w5dxp.com