What is a correct expression of the reflection coefficient?

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sp2821

Joined Jan 8, 2014
21
Hello,

Can anyone help me understand what is a reflection coefficient of below circuit?
I'm certain that Γ2 is (ZL-Z2)/(ZL+Z2)
However what is Γ1 (reflection coefficient at Z=-l) ? Is it (Zin-Z1)/(Zin+Z1) or Γ2*e^(-2jβl)?
upload_2016-1-4_16-38-14.png
 
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