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  _____      ___     _____       ___     _    _   
 |__  //    / _ \\  |  __ \\    / _ \\  | || | || 
   / //    | / \ || | |  \ ||  / //\ \\ | || | || 
  / //__   | \_/ || | |__/ || |  ___  ||| \\_/ || 
 /_____||   \___//  |_____//  |_||  |_|| \____//  
 `-----`    `---`    -----`   `-`   `-`   `---`

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Text this: Analyzing PEC scattering structure using an IE-FFT algorithm