Polynomial Equation from the S matrix

  1. Nia11
    Nia11
    Hello friends, I have to get the polynomial equation from the S matrix, for example I have measured the S parameters of the SMA connector using the VNA for the frequency range 300KHz to 4GHz. I have to determine the loss of the connector and get the polynomial equation for the each S parameters such as S11,S12,S21 and S22 using matlab. How can I get it with this information, could anyone please help me?.
    The below figure is the S2P file obtained from the VNA

    Attachment 132136
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