On 3 Jan 2005 20:31:57 -0800, "ozgun.harmanci"
wrote in
.com:

Hi everybody, I am troubled with transmission line vswr, I hope this is
the right place to ask this question. Is the sr formula same with
unmatched generator? I mean I know that

SWR = ( 1 + |Gamma_Load| ) / ( 1 - |Gamma_Load| )

Gamma_Load is reflection coefficient at load side.

But I think there is a problem with this formula when generator is
unmatched to the transmission line so that there is also a reflection
at generator side. Is that correct or am i making a mistake somewhere?
Thanx in advance.
Arif.


You are correct. There can be more than one mismatch in a system.
Group your system components so you have only two parts:

Effective Source (generator + transmission line)
Effective Load (load)

Then regroup the system again:

Effective Source (generator)
Effective Load (transmission line + load)

The number of possible mismatches depends on the number of components
in the system. For example, if your system has five components you can
have four possible mismatches.

Does that help?