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what's the meaning of the VSWR representation as VSWR:1?

 
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Rfdesign
Antenna Theory Regular


Joined: 31 Dec 2011
Posts: 16

PostPosted: Sat Feb 11, 2012 5:06 am    Post subject: what's the meaning of the VSWR representation as VSWR:1? Reply with quote

Dear friends
there is an important question for me that may be easy for you.
I really thank if someone reply my question.I want to know:

what dose mean vswr 2.5:1?
Is this different from vswr=2.5?
If it is same,so why we show the VSWR like this?

Regards.
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bigSteve
Antenna Wizard


Joined: 14 Mar 2009
Posts: 265

PostPosted: Sat Feb 11, 2012 8:30 am    Post subject: Reply with quote

Yes, VSWR = 2.5 is the same as VSWR=2.5:1

Really, there is no reason. Maybe some people think it is important to stress that it is a ratio, but really it still just measures reflection coefficient.

I don't often see the long form 2.5:1 and I don't think it adds any value either.
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Rfdesign
Antenna Theory Regular


Joined: 31 Dec 2011
Posts: 16

PostPosted: Sat Feb 11, 2012 2:01 pm    Post subject: Reply with quote

bigSteve wrote:
Yes, VSWR = 2.5 is the same as VSWR=2.5:1

Really, there is no reason. Maybe some people think it is important to stress that it is a ratio, but really it still just measures reflection coefficient.

I don't often see the long form 2.5:1 and I don't think it adds any value either.


Thanks for your useful reply
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