permitivity and permeability

Meenakshi Sood · Apr 24, 2009

meenakshi sood

i'm stuck with relationship between s parameters and permitivity and permeability
can smbody help?

mauloftin · Apr 24, 2009

Hi,

it is not so easy for this forum,

so S11 is about wave impedance and return loss

https://en.wikipedia.org/wiki/Electromagnetic_impedance

https://en.wikipedia.org/wiki/Return_loss

and loss (S21-S11) is not about ε and µ, it is about σ and tan δ (exactly complex permitivity and permeability
https://www.geozondas.com/pdf/dielcons.pdf)

I hope, that I have true and that I helped you

Meenakshi Sood · Apr 24, 2009

Thanks a lot

actually i want to reach permitivity and permeability via s parameters thru impedance and refractive index

nccu1990 · Apr 24, 2009

I think that this R&S application note is more useful for you.

Meenakshi Sood · Apr 27, 2009

thanks aloy nccu , surely they r going to help me

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