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__    __    ______               ___     _    _   
\ \\ / //  /_   _//   ____      / _ \\  | || | || 
 \ \/ //    -| ||-   |    \\   / //\ \\ | || | || 
  \  //     _| ||_   | [] ||  |  ___  ||| \\_/ || 
   \//     /_____//  |  __//  |_||  |_|| \____//  
    `      `-----`   |_|`-`   `-`   `-`   `---`   
                     `-`

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Text this: A lower bound of DOA-estimates by an array randomly subject to sensor-breakdown