أرسل هذا في رسالة قصيرة: Accurate two-stage frequency offset estimation for coherent optical systems

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