How do I develop a matlab program for the conversion of S-parameter to Z-parameter from results of measurements of a saw resonator using a VNA?

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zainab
zainab 2012-9-5
评论： jim turner 2021-3-2
I have taken measurements of the reflection coefficients of a saw resonator using a Vector Network Analyser. Now I want to develop a matlab program to convert the S-parameters to Z-parameter(S11 to Z11).
  1 个评论
Rica
Rica 2012-11-8
hi zeinab.
you should save your data from vna as s2p file(touchstone file). you can use matlab to open this file. just type this in the matlab help:Reading and Analyzing RF Data from a Touchstone Data File
bye

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回答（2 个）

Rica
Rica 2012-11-9
hi zeinab.
you should save your data from vna as s2p file(touchstone file). you can use matlab to open this file. just type this in the matlab help:Reading and Analyzing RF Data from a Touchstone Data File
bye
What is saw resonator?
Srikanth K
Srikanth K 2021-2-8
Convert your S-parm file to Z-parm and plot impedance plots..you can use below fucntion to do that.
Z = zparameters('defaultbandpass.s2p');
z11 = rfparam(Z,1,1);
plot(Z.Frequencies, imag(z11)) ;% this is for imaginary part of Z-, change as per your requrements
look below link for more info..
https://www.mathworks.com/help/rf/ref/zparameters.html

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