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           _    _    _    _      ___              
    ___   | || | || | \  / ||   / _ \\    ____    
   /   || | || | || |  \/  ||  | / \ ||  |    \\  
  | [] || | \\_/ || | .  . ||  | \_/ ||  | [] ||  
   \__ ||  \____//  |_|\/|_||   \___//   |  __//  
    -|_||   `---`   `-`  `-`    `---`    |_|`-`   
     `-`                                 `-`

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Text this: Extraction of constitutive relation tensor parameters of SRR structures using transmission line theory