CPW BSF: How calculate characteristic impedance and effective permitivity?

[Andrey Bodyuh]

Somebody help with this issue!
I have designed BSF and equivalent circuit in attached files.

 

[(*steve*)]

Your images are unreadable and is this homework?

 

[Andrey Bodyuh]

Yes, it is something like homework.
For reading images you can click 2 times on image.

 

[(*steve*)]

You're asking for help on your homework. Don't make it difficult for people. Trim your images.